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 MANUALSBUICK1982REGAL SPORT, TRANS MFR CD 350C/MX5REPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALBODY ELECTRICALDOOR & TAILGATE LOCKSTESTINGUNLOCK RELAYCADILLAC
1982 Buick Regal Sport, Trans Mfr CD 350C/MX5
Unlock Relay: Cadillac
1982 Buick Regal Sport, Trans Mfr CD 350C/MX5SECTION Cadillac
- Connect test lamp between ground and Black wire at relay. Move shifter to "P". If lamp does not light, check continuity of Black wire between relay and module. If lamp lights, move test lamp to Tan wire.
- Move shifter from "D" to "P". If lamp is on, relay is good. If lamp does not light, test at Orange/Black wire. If lamp is on, replace relay. If not, check circuit breaker and Orange/Black wire.
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.