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Ignition Amplifier Guides

Switch Your Faulty Ignition Amplifier with a Good-Quality Replacement

The ignition amplifier is a lone component on your vehicle. It's an electronic control unit inside the engine bay or on the chassis, and is responsible for opening and closing the ignition coil ground circuit. This should fire up the spark plugs while engine is cranking and give your vehicle the extra boost on the road. Unfortunately, this part also wears out over time, and an overheating amplifier can melt the casing if made of rubber. Misfires, hard start, and no spark are the more common symptoms of a faulty amplifier. Damaged amplifiers need a replacement immediately when necessary.

Difficulty: Moderate

Things you'll need:

  • Wrench
  • Socket
  • Screwdriver
  • Thermal transfer paste
  • Ignition amplifier replacement

Step 1: Before starting, remove the negative terminal on your battery. This should ensure that no power will pass through while removing the faulty amplifier.

Step 2: Locate the ignition amplifier on your vehicle. Depending on your vehicle, it can be placed in the engine bay, but it can also be found on the chassis.

Step 3: Unplug the amplifier connector and use appropriate tools like a wrench or a socket. You can also use a voltmeter to check if the amplifier produces the correct voltage. Amplifiers deliver 20 volts, so if your component produces less, it's an indication that the amplifier is problematic.

Step 4: To fully remove the component, use a screwdriver to remove the screws that keep the amplifier in place. Check which type of screw is used to know the correct screwdriver.

Step 5: Once unscrewed, pull out the amplifier. Inspect the amplifier and check if the thermal transfer plate has melted. This component can heat up, causing the paste or the jelly to disintegrate.

Step 6: When changing the ignition amplifier, make sure that the replacement is compatible with your vehicle. Aftermarket parts are excellent substitute for the original components, but carefully choosing the correct replacement with the direct fit is essential.

Step 7: In the event that you're not replacing the amplifier after careful inspection, reapply the thermal transfer paste or jelly on the amplifier to prevent the part from overheating.

Step 8: Should you replace the damaged ignition amplifier, make sure to still apply the paste or jelly.

Step 9: Install the new part the exact opposite way of removing it. You may also check if it produces 20 volts to ensure that the replacement is of top condition. Secure the amplifier with screws and plug the amplifier connector.

Step 10: Before starting your engine and testing the ignition amplifier, connect the battery negative terminal.

The replacement period may take 30 minutes to an hour, depending on your speed and DIY skills. The procedure, however, doesn't require extensive skills to complete the replacement of your faulty or damaged ignition amplifier, so even beginners can perform this task. Also, it's important to ensure your safety, so wearing safety gloves is advised especially when dealing with electronics and wirings. When purchasing the thermal transfer paste or jelly, you can look for those compatible with electronic components that are used in vehicles.

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