No running lights or dash lights

DM4135SHOP

MEMBER
1998 TOYOTA COROLLA
1.8L
4 CYL
2WD
AUTOMATIC
190,000 MILES

The running lights and dash lights just stopped working. The fuses look fine.

The car was rear ended a couple days ago but the accident only pushed up the bumper. There was no damage to the lights. All the lights have been working fine.

We stopped the car for about ten minutes and when I got back in and started the car, there were no lights. The headlights, turn signals, brake lights, and flashers all work fine. The dome light is blown out so I am not certain if that has been affected.

3 Replies

PATENTED_REPAIR_PRO

MECHANIC
1,853 POSTS

You should be using a voltmeter or at least a twelve volt test light when checking fuses, cause most of the time one fuse is fed from another fuse or relay, such as in this case the tail fuse in the left I/P fuse block is fed from a relay and that taillight relay is fed from a alt fuse in the top left side of engine bay, link box.
The very same fuses and relay feed that instrument cluster lighting also.

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Tuesday, March 20th, 2018 AT 8:29 AM

DM4135SHOP

MEMBER
2 POSTS

I am not near the car to check but if I am reading the image on the right correctly, I would suspect the taillight relay. Looking at the image on the left, it appears the taillight relay also sends power to the hazard lights. The hazard lights function.

Do you have, or know where I can locate, a more complete diagram? I think this would really help me isolate the faulty connection.

Thank you for your help.

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Wednesday, March 21st, 2018 AT 7:01 AM

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