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Direct Fit Horn - High Tone
Replacement
Part Number: REPC502504
Vehicle Info Required to Guarantee Fit
$16.22
Vehicle Fitment
  • 1979 - 1980 GMC C1500 Suburban Base 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban Base 8 Cyl 7.4L
  • 1979 - 1980 GMC C1500 Suburban High Sierra 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban High Sierra 8 Cyl 7.4L
  • 1979 - 1980 GMC C1500 Suburban Sierra Classic 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban Sierra Classic 8 Cyl 7.4L
  • 1979 - 1980 GMC C1500 Suburban Sierra Grande 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban Sierra Grande 8 Cyl 7.4L
  • 1979 - 1982 GMC C1500 Suburban Sierra Grande 8 Cyl 5.7L
  • 1979 - 1986 GMC C1500 Suburban High Sierra 8 Cyl 5.7L
  • 1979 - 1986 GMC C1500 Suburban Sierra Classic 8 Cyl 5.7L
  • 1979 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1979 - 1982 GMC C1500 Suburban Sierra Grande 8 Cyl 5.0L
  • 1979 - 1986 GMC C1500 Suburban Base 8 Cyl 5.0L
  • 1979 - 1986 GMC C1500 Suburban High Sierra 8 Cyl 5.0L
  • 1979 - 1986 GMC C1500 Suburban Sierra Classic 8 Cyl 5.0L
  • 1982 GMC C1500 Suburban Sierra Grande 8 Cyl 6.2L
  • 1982 - 1986 GMC C1500 Suburban Base 8 Cyl 6.2L
  • 1982 - 1986 GMC C1500 Suburban High Sierra 8 Cyl 6.2L
  • 1982 - 1986 GMC C1500 Suburban Sierra Classic 8 Cyl 6.2L
  • 1992 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban Base 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLE 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 6.5L
Product Details
Notes : High Tone, With Mounting Bracket, 2 Male Blade TerminalQuantity Sold : Sold individuallyWarranty : 1-year unlimited-mileage warranty
Direct Fit Horn - Low Tone
Replacement
Part Number: REPC502505
Vehicle Info Required to Guarantee Fit
$14.25
Vehicle Fitment
  • 1979 - 1980 GMC C1500 Suburban Base 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban Base 8 Cyl 7.4L
  • 1979 - 1980 GMC C1500 Suburban High Sierra 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban High Sierra 8 Cyl 7.4L
  • 1979 - 1980 GMC C1500 Suburban Sierra Classic 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban Sierra Classic 8 Cyl 7.4L
  • 1979 - 1980 GMC C1500 Suburban Sierra Grande 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban Sierra Grande 8 Cyl 7.4L
  • 1979 - 1982 GMC C1500 Suburban Sierra Grande 8 Cyl 5.7L
  • 1979 - 1986 GMC C1500 Suburban High Sierra 8 Cyl 5.7L
  • 1979 - 1986 GMC C1500 Suburban Sierra Classic 8 Cyl 5.7L
  • 1979 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1979 - 1982 GMC C1500 Suburban Sierra Grande 8 Cyl 5.0L
  • 1979 - 1986 GMC C1500 Suburban Base 8 Cyl 5.0L
  • 1979 - 1986 GMC C1500 Suburban High Sierra 8 Cyl 5.0L
  • 1979 - 1986 GMC C1500 Suburban Sierra Classic 8 Cyl 5.0L
  • 1982 GMC C1500 Suburban Sierra Grande 8 Cyl 6.2L
  • 1982 - 1986 GMC C1500 Suburban Base 8 Cyl 6.2L
  • 1982 - 1986 GMC C1500 Suburban High Sierra 8 Cyl 6.2L
  • 1982 - 1986 GMC C1500 Suburban Sierra Classic 8 Cyl 6.2L
  • 1992 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban Base 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLE 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 6.5L
  • 1996 GMC C1500 Suburban All Submodels All Engines
Product Details
Notes : Low ToneQuantity Sold : Sold individuallyWarranty : 1-year unlimited-mileage warranty
Direct Fit Horn - High/Low Tone
Replacement
Part Number: SET-REPC502504-2
Vehicle Info Required to Guarantee Fit
$29.53
Vehicle Fitment
  • 1979 - 1980 GMC C1500 Suburban Base 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban Base 8 Cyl 7.4L
  • 1979 - 1980 GMC C1500 Suburban High Sierra 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban High Sierra 8 Cyl 7.4L
  • 1979 - 1980 GMC C1500 Suburban Sierra Classic 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban Sierra Classic 8 Cyl 7.4L
  • 1979 - 1980 GMC C1500 Suburban Sierra Grande 6 Cyl 4.1L
  • 1979 - 1980 GMC C1500 Suburban Sierra Grande 8 Cyl 7.4L
  • 1979 - 1982 GMC C1500 Suburban Sierra Grande 8 Cyl 5.7L
  • 1979 - 1986 GMC C1500 Suburban High Sierra 8 Cyl 5.7L
  • 1979 - 1986 GMC C1500 Suburban Sierra Classic 8 Cyl 5.7L
  • 1979 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1979 - 1982 GMC C1500 Suburban Sierra Grande 8 Cyl 5.0L
  • 1979 - 1986 GMC C1500 Suburban Base 8 Cyl 5.0L
  • 1979 - 1986 GMC C1500 Suburban High Sierra 8 Cyl 5.0L
  • 1979 - 1986 GMC C1500 Suburban Sierra Classic 8 Cyl 5.0L
  • 1982 GMC C1500 Suburban Sierra Grande 8 Cyl 6.2L
  • 1982 - 1986 GMC C1500 Suburban Base 8 Cyl 6.2L
  • 1982 - 1986 GMC C1500 Suburban High Sierra 8 Cyl 6.2L
  • 1982 - 1986 GMC C1500 Suburban Sierra Classic 8 Cyl 6.2L
  • 1992 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban Base 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLE 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 6.5L
Product Details
Components : (2) HornsQuantity Sold : KitWarranty : 1-year unlimited-mileage warranty
Replacement Horn, Low note - Direct Fit
Replacement
Part Number: REPC502501
Vehicle Info Required to Guarantee Fit
$21.12
Vehicle Fitment
  • 1998 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1998 - 1999 GMC C1500 Suburban Base 8 Cyl 6.5L
  • 1998 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1998 - 1999 GMC C1500 Suburban SLE 8 Cyl 6.5L
  • 1998 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
  • 1998 - 1999 GMC C1500 Suburban SLT 8 Cyl 6.5L
Product Details
Notes : With plug-in type connector; May require GM OE # 19116451 Horn Wire on some applicationsQuantity Sold : Sold individuallyWarranty : 1-year unlimited-mileage warranty
Direct Fit Horn - High Tone
Replacement
Part Number: REPC502502
Vehicle Info Required to Guarantee Fit
$12.66
Vehicle Fitment
  • 1998 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1998 - 1999 GMC C1500 Suburban Base 8 Cyl 6.5L
  • 1998 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1998 - 1999 GMC C1500 Suburban SLE 8 Cyl 6.5L
  • 1998 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
  • 1998 - 1999 GMC C1500 Suburban SLT 8 Cyl 6.5L
Product Details
Quantity Sold : KitWarranty : 1-year unlimited-mileage warranty
Direct Fit Horn - High/Low Tone
Replacement
Part Number: SET-REPC502502-2
Vehicle Info Required to Guarantee Fit
$32.41
Vehicle Fitment
  • 1998 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1998 - 1999 GMC C1500 Suburban Base 8 Cyl 6.5L
  • 1998 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1998 - 1999 GMC C1500 Suburban SLE 8 Cyl 6.5L
  • 1998 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
  • 1998 - 1999 GMC C1500 Suburban SLT 8 Cyl 6.5L
Product Details
Components : (2) HornsQuantity Sold : KitWarranty : 1-year unlimited-mileage warranty
Front Upper Control Arm Passenger Right Side For RWD or 2WD
Vehicle Info Required to Guarantee Fit
$37.38
Vehicle Fitment
  • 1992 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1992 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
Product Details
Location : Front, Passenger Side, UpperNotes : Fits RWD models only; Includes nut(s)Design : StampedGreasable : GreasableAdjustability : Non-AdjustableBall Joint Included : With ball joint(s)Bushing Included : With bushing(s)Bushing Material : Rubber bushingQuantity Sold : Sold individuallyRecommended Use : OE ReplacementInterchange Part Number : 520-130, 12361036, K620161, CK620161, CMS20345, GS20345Replaces OE Number : 12361036Warranty : 1-year unlimited-mileage warrantyProp 65 Warning : <p><b><img src="https://cld.partsimg.com/image/upload/images/warning_a.jpg" alt="Warning Symbol" width="28" height="22" />WARNING: This product can expose you to chemicals including lead and mineral oils, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to <a href="https://www.p65warnings.ca.gov">www.P65Warnings.ca.gov</a>.</b></p>
Front Upper Control Arm Driver Left Side For RWD or 2WD
Vehicle Info Required to Guarantee Fit
$37.38
Vehicle Fitment
  • 1992 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1992 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
Product Details
Location : Front, Driver Side, UpperNotes : Includes nut(s)Design : StampedGreasable : GreasableAdjustability : Non-AdjustableBall Joint Included : With ball joint(s)Bushing Included : With bushing(s)Bushing Material : Rubber bushingQuantity Sold : Sold individuallyRecommended Use : OE ReplacementInterchange Part Number : 520-129, RK620160, MCS20344, MS20344, GS20344, CK620160, 12361035, CMS20344Replaces OE Number : 12361035Warranty : 1-year unlimited-mileage warrantyProp 65 Warning : <p><b><img src="https://cld.partsimg.com/image/upload/images/warning_a.jpg" alt="Warning Symbol" width="28" height="22" />WARNING: This product can expose you to chemicals including lead and mineral oils, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to <a href="https://www.p65warnings.ca.gov">www.P65Warnings.ca.gov</a>.</b></p>
Front Lower Control Arm Passenger Right Side For RWD or 2WD
Vehicle Info Required to Guarantee Fit
$92.59
Vehicle Fitment
  • 1992 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1992 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban Base 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLE 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 6.5L
Product Details
Location : Front, Passenger Side, LowerNotes : For RWD models only; Includes nut(s)Design : StampedGreasable : GreasableAdjustability : Non-AdjustableBall Joint Included : With ball joint(s)Bushing Included : With bushing(s)Bushing Material : Rubber bushingQuantity Sold : Sold individuallyRecommended Use : OE ReplacementInterchange Part Number : 15665555, 522-178, RK620298, CMS9706, GS9706Replaces OE Number : 15665555Warranty : 1-year unlimited-mileage warrantyProp 65 Warning : <p><b><img src="https://cld.partsimg.com/image/upload/images/warning_a.jpg" alt="Warning Symbol" width="28" height="22" />WARNING: This product can expose you to chemicals including lead and mineral oils, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to <a href="https://www.p65warnings.ca.gov">www.P65Warnings.ca.gov</a>.</b></p>
Front Lower Control Arm Driver Left Side For RWD or 2WD
Vehicle Info Required to Guarantee Fit
$92.59
Vehicle Fitment
  • 1992 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1992 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban Base 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLE 8 Cyl 6.5L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 6.5L
Product Details
Location : Front, Driver Side, LowerNotes : Fits RWD models only; Includes nut(s)Design : StampedGreasable : GreasableAdjustability : Non-AdjustableBall Joint Included : With ball joint(s)Bushing Included : With bushing(s)Bushing Material : Rubber bushingQuantity Sold : Sold individuallyRecommended Use : OE ReplacementInterchange Part Number : 520-177, 15665554, 522-177, RK620299, CMS9707, GS9707Replaces OE Number : 15665554Warranty : 1-year unlimited-mileage warrantyProp 65 Warning : <p><b><img src="https://cld.partsimg.com/image/upload/images/warning_a.jpg" alt="Warning Symbol" width="28" height="22" />WARNING: This product can expose you to chemicals including lead and mineral oils, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to <a href="https://www.p65warnings.ca.gov">www.P65Warnings.ca.gov</a>.</b></p>
Replacement Control Arm, Ball Joint and Sway Bar Link Kit
Replacement
Part Number: KIT1-091217-16-A
Vehicle Info Required to Guarantee Fit
$107.90
Vehicle Fitment
  • 1993 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1993 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
Product Details
Location : Front, Driver And Passenger Side, UpperNotes : For RWD models only; Includes nut(s)Components : (2) Ball Joints, (2) Control Arms, and (2) Sway Bar LinksDesign : StampedGreasable : GreasableAdjustability : Non-AdjustableBall Joint Included : With ball joint(s)Bushing Included : With bushing(s)Bushing Material : Rubber bushingQuantity Sold : Set of 6Recommended Use : OE ReplacementInterchange Part Number : 520-130, 12361036, K620161, CK620161, CMS20345, GS20345, 520-129, RK620160, MCS20344, MS20344, GS20344, CK620160, 12361035, CMS20344, K6445, K5252Replaces OE Number : 12361036, 12361035Warranty : 1-year unlimited-mileage warranty
Replacement Control Arm, Tie Rod End, Ball Joint and Sway Bar Link Kit
Vehicle Info Required to Guarantee Fit
$131.46
Vehicle Fitment
  • 1993 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1993 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
Product Details
Location : Front, Driver And Passenger Side, UpperNotes : For RWD models only; Includes nut(s)Components : (2) Ball Joints, (2) Control Arms, (2) Sway Bar Links, and (2) Tie Rod EndsDesign : StampedGreasable : GreasableAdjustability : Non-AdjustableBall Joint Included : With ball joint(s)Bushing Included : With bushing(s)Bushing Material : Rubber bushingQuantity Sold : Set of 8Recommended Use : OE ReplacementInterchange Part Number : 520-129, RK620160, MCS20344, MS20344, GS20344, CK620160, 12361035, CMS20344, 520-130, 12361036, K620161, CK620161, CMS20345, GS20345, K6445, K5252, MES2837RL, 26000152Replaces OE Number : 12361035, 12361036, 26000152Warranty : 1-year unlimited-mileage warranty
Replacement Control Arm, Tie Rod End, Ball Joint, Idler Arm, Pitman Arm and Sway Bar Link Kit
Vehicle Info Required to Guarantee Fit
$195.19
Vehicle Fitment
  • 1993 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1993 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
Product Details
Location : Front, Driver And Passenger Side, UpperNotes : For RWD models only; Includes nut(s)Components : (1) Idler Arm, (1) Pitman Arm, (2) Ball Joints, (2) Control Arms, (2) Sway Bar Links, and (4) Tie Rod EndsDesign : StampedGreasable : GreasableAdjustability : Non-AdjustableBall Joint Included : With ball joint(s)Bushing Included : With bushing(s)Bushing Material : Rubber bushingQuantity Sold : Set of 12Recommended Use : OE ReplacementInterchange Part Number : 520-130, 12361036, K620161, CK620161, CMS20345, GS20345, 520-129, RK620160, MCS20344, MS20344, GS20344, CK620160, 12361035, CMS20344, K6445, K6447, K6335, K5252, MES2837RL, 26000152, ES2836RLReplaces OE Number : 12361036, 12361035, 26000152Warranty : 1-year unlimited-mileage warranty
Replacement Control Arm, Tie Rod End and Ball Joint Kit
Replacement
Part Number: KIT1-091217-19-A
Vehicle Info Required to Guarantee Fit
$128.35
Vehicle Fitment
  • 1993 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1993 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
Product Details
Location : Front, Driver And Passenger Side, UpperNotes : For RWD models only; Includes nut(s)Components : (2) Ball Joints, (2) Control Arms, and (2) Tie Rod EndsDesign : StampedGreasable : GreasableAdjustability : Non-AdjustableBall Joint Included : With ball joint(s)Bushing Included : With bushing(s)Bushing Material : Rubber bushingQuantity Sold : Set of 6Recommended Use : OE ReplacementInterchange Part Number : 520-129, RK620160, MCS20344, MS20344, GS20344, CK620160, 12361035, CMS20344, 520-130, 12361036, K620161, CK620161, CMS20345, GS20345, K6445, ES2836RLReplaces OE Number : 12361035, 12361036Warranty : 1-year unlimited-mileage warranty
Replacement Control Arm and Ball Joint Kit
Replacement
Part Number: KIT1-091217-20-A
Vehicle Info Required to Guarantee Fit
$98.34
Vehicle Fitment
  • 1993 - 1999 GMC C1500 Suburban Base 8 Cyl 5.7L
  • 1993 - 1999 GMC C1500 Suburban SLE 8 Cyl 5.7L
  • 1995 - 1999 GMC C1500 Suburban SLT 8 Cyl 5.7L
Product Details
Location : Front, Driver And Passenger Side, UpperNotes : For RWD models only; Includes nut(s)Components : (2) Ball Joints, and (2) Control ArmsDesign : StampedGreasable : GreasableAdjustability : Non-AdjustableBall Joint Included : With ball joint(s)Bushing Included : With bushing(s)Bushing Material : Rubber bushingQuantity Sold : Set of 4Recommended Use : OE ReplacementInterchange Part Number : 520-130, 12361036, K620161, CK620161, CMS20345, GS20345, 520-129, RK620160, MCS20344, MS20344, GS20344, CK620160, 12361035, CMS20344, K6445Replaces OE Number : 12361036, 12361035Warranty : 1-year unlimited-mileage warranty
Page 1 of 954 | Showing 1 - 15 of 14309 results

GMC C1500 Suburban Customer Reviews

Direct Fit Horn - Low Tone
May 15, 2020
Fits Perfect
Fits 99 Ford ranger the extra terminal is for ground.
William Ballard
VERIFIED PURCHASER
Purchased on Apr 30, 2020
Direct Fit Horn - High/Low Tone
May 02, 2020
Cheaper than part store
Put it on and they worked. Very universal with different wiring selections, harness plugged in perfect, 2003 gmc 2500hd
Gary Strope
VERIFIED PURCHASER
Purchased on Apr 17, 2020
Direct Fit Horn - High/Low Tone
Apr 29, 2020
Keep On Jeeping !
All thumbs up! East to install and works great! Good quality.
Paul J. Crist
VERIFIED PURCHASER
Purchased on Apr 09, 2020

GMC C1500 Suburban Guides

FAQs—GMC C1500 Suburban

My GMC C1500 Suburban is not starting and there's no spark at all. How do I fix this?

If your GMC C1500 Suburban cranks but will not start and has no spark, it could be because of one of several components. Check for voltage at the coil positive terminal while the ignition key is on. If there is voltage, then the problem could be on the trigger side of the coil, such as the crank sensor, ignition module, or primary wiring circuit. It could also be due to a bad high voltage output wire from the coil to the distributor, cracks in the coil output tower, or cracks or carbon tracks inside the distributor cap or on the rotor. However, if there is no voltage at the coil, then the fault may be on the supply side, which includes the ignition switch or ignition wiring circuit. Also, if you have a scan tool, you could plug it into your SUV's diagnostic connector and look for an rpm signal while cranking the engine. If there's no signal, then the problem could be a bad distributor pickup, a stripped distributor drive gear, a bad crankshaft position sensor, or a wiring fault.

While driving my GMC C1500 Suburban, the light switch on the dashboard gets extremely hot and the headlights shut down. What could be causing this?

First, replace the headlight bulbs. If they still shut down while you are driving your SUV, check fuse box for any discolored or burnt fuse and replace as needed. If this doesn't work, verify that power is coming through the wiring harness, and replace it if there's no power. Lastly, if the lights still shut down, inspect the headlight switch and see if it's discolored, and clean it with a pencil eraser until the discoloration is gone. If they still do not work, you might need to replace the headlight switch. You might need to have someone look at the switch, as you may need to touch the wires, which can be dangerous if you have no experience in electrical repairs. It is also best if you do some resistance checks of the circuits since this may help pinpoint the problem component.

I have a hard time accelerating over 30mph when driving my GMC C1500 Suburban. What can I do to fix this?

This usually happens when your SUV's engine misfires, stumbles, or lacks power when you accelerate or step on the throttle. This usually occurs because the air/fuel mixture is not being properly enriched or is going lean, or the ignition system is weak. To diagnose this problem, you will need a scan tool for any fault codes, as you will be using it to check sensor response by looking at the various sensor values. If ever the values are out of range or if the sensor is not responding normally, then you will need to test them using a DVOM. Aside from this, it is also helpful to search for vacuum leaks, inspect or clean the EGR valve, and measure the fuel pressure and volume.

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