DEAD ELECTRICAL SYSTEM WITH NO CRANKING

1994 Acura Vigor

Tiny

johnsholl

August, 21, 2012 AT 7:00 PM

Battery terminal connections were accidently reversed while jump starting. Now the only electrical that works is e-flashers and horn. Ignition switch is worn but did work okay. Battery voltage does show at 100 amp relay in under hood box.

FOUND 6783 RELATED QUESTIONS

4 Answers

Tiny

KHLow2008

August, 21, 2012 AT 7:03 PM

Check the main fuses and the ground connection at the transmission for the battery cables.

Tiny

KHLow2008

August, 21, 2012 AT 7:12 PM

You mentioned battery voltage at 100 A main fuse, are you getting battery voltage at both ends of the fuse?

Tiny

johnsholl

August, 21, 2012 AT 8:03 PM

No obvious relay/ fuses for crank/run circuit bad -cable grounds good. The accidental reverse polarity jump start caused the crank and run circuit to go completely dead. Could it have damaged an already worn ignition switch? (Burned contacts etc.)

Tiny

KHLow2008

August, 21, 2012 AT 9:41 PM

Did you test the 100 A main fuse? You must have battery voltage at both ends. Reversing polarity would normally casue the main 100 A fuse to blow first.

Even if the ignition switch is bad, you would still have the tailligts, are they working?

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