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.
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HOMESERVICE MANUALSCADILLAC1996ELDORADO V8-4.6L VIN 9REPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESHIFT INTERLOCKDESCRIPTION AND OPERATION
1996 Cadillac Eldorado V8-4.6L VIN 9
Shift Interlock: Description and Operation
1996 Cadillac Eldorado V8-4.6L VIN 9SECTION Description and Operation
Battery voltage is applied to the park neutral position switch terminal B through CKT 339 (PNK). When the park neutral position switch is in park voltage is applied to terminal A of the stop/BTSI/cruise break switch through CKT 275 (LT GRN). when the stop/BTSI/cruise break switch closes voltage is then applied to terminal A of the shift interlock solenoid through CKT 1135 (DK GRN/WHT). With the nominally grounded CKT 850/50 (BLK) the relay engages allowing the transaxle to be shifted out of park.
RENDER: 1.0x
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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.