Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Amplifier Circuit Board
Remove vacuum valve (see above). Take out two programmer electrical connector retaining screws and lift connector body from amplifier terminals. Remove amplifier heatsink retainer clip and insulator. Remove two amplifier retaining screws at feedback potentiometer. Remove two wires at transducer terminals
Remove amplifier circuit board. Replace amplifier by reversing removal procedure and adjust feedback potentiometer (see ADJUSTMENT in data for each car model).
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.