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 MANUALSCHRYSLER1987FIFTH AVENUE 5.2 4REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEMTESTINGCARBURETOR SWITCH TEST
1987 Chrysler Fifth Avenue 5.2 4
Carburetor Switch Test
1987 Chrysler Fifth Avenue 5.2 4SECTION Carburetor Switch Test
NOTE:
Grounding the carburetor switch eliminates all spark advance on most systems.
- With key off, disconnect 10-way connector from SCC computer. With throttle completely closed, check for continuity between pin No. 7 and ground. If no continuity is present, check wire and carburetor switch for an open or short. Recheck basic timing.
- With throttle open, check for continuity between pin No. 7 and ground. There should be no continuity.
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.