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
CAUTION:
(Mark wires to ensure correct reassembly).
Remove amplifier circuit board. Replace amplifier by reversing removal procedure and adjust feedback potentiometer (see ADJUSTMENT in data for each car model).