Does the ECM control the shift light in the instrument panel? It stopped working when I disabled the ECM by cutting the harness.
Is it possible to wire the shift light without turning the ECM back on?

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Zepher
'86 Pontiac Trans Am WS6, LG4 305, 5 Speed, CF DF Clutch,
Edelbrock 1406 Carb, Edelbrock Performer RPM 7101 Intake Manifold.
Edelbrock Open Element Air Cleaner: Flowmaster Exhaust, 160* Thermostat,
Grant GT Steering Wheel, MSD HEI Coil, Taylor 8mm Wires, Leather 96 Camaro SS Seats,
Alpine CD+Changer,Alpine V12 Amps, Premier TS-1040C Subs, Polk Audio highs/mids.
Best ET: 14.94@91.67
High Speed Run: 157mph
WS6 Trans Am

 

I'm pretty sure that answer is no. You can look best you can that any wires within aren't shorted, etc, but I'm pretty sure that's run off the ECM or your distributor. As you are probably aware, it only comes on at part throttle upshifts for economy reasons, and on uphills if you're in too tall a gear to pull the hill at part throttle. Best bet of course would be to mount a remote shift light behind your console and drill a small hole in the front of the dash for a covert-appearing shift light. I know there's a guy selling small, pen-light sized shift lights in the for sale section in camaroz28.com for under $40, which is a sweet deal for what they are.



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Dan Young
1995 Z28/M6
Groton, CT

1985 Z28/A4
(Prospective purchase)