1996 Nissan Sentra 1.6L engine. Inoperative headlights

  • pocketdexter
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5 months 3 weeks ago - 5 months 3 weeks ago #201160 by pocketdexter
I have a nissan sentra whose front headlights no longer come on when engaging the headlight switch. The lights were working fine prior to a battery theft. After the thieves stole the battery (literally ripping the cables), the issue has now shown itself.

I have tried some voltage drops at the headlight bulb connector. I receive no voltage (grounds) on all 3 pins of the headlight bulb connector. The light bulbs check out fine. I also tested the fuse which is fine. Probing the fuse terminals, i get battery voltage on 1 pin and fluctuating voltage on the other pin. Checking voltage at the headlight switch connector, I receive battery voltage. What else should I check?
Last edit: 5 months 3 weeks ago by pocketdexter.

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5 months 3 weeks ago #201175 by dtidman
You may need a wiring diagram to pin this down. I'm a bit confused about your measurement on the fuse. If the fuse is good, I would expect the same measurement of both sides of the fuse. A fluctuating voltage indicates an unloaded circuit usually.

Given the damage from the theft, I would try to trace the connections from the battery terminals to the headlight circuit. Given you get battery at the headlight switch, I would check the load side of the headlamp relay. The ground also may have been damaged.

Good luck, let us know what you find.

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