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Shawn, ASE Certified Technician
Category: Car
Satisfied Customers: 655
Experience:  PA Certified Inspection emissions, ASE Brakes Suspension, Lead diagnostic Tech.20 years exp
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1998 chevy cavalier: headlights..wont come..module..steering column

Resolved Question:

1998 chevy cavalier no headlights - low beams. It also has daytime running lights but they also won't come on. Have replaced module in the steering column which is generally recommended. have ckd all the grounds and followed and checked the ends, also checked the "sit" which the previous tech recommended- there is power. Is there another module that needs checked? High beams work consistently low beams maybe 1% of the time. Bulbs were also checked and work in other vehicles but not on this car
Submitted: 8 years ago.
Category: Car
Expert:  Shawn replied 8 years ago.


Have you checked the DRL relay in the fuse box under the dash? Low beams run through this since DRL's use low beam side to run.

Low beam runs from the switch to the cluster, from the cluster to the DRL relay.

Tap on the DRL relay and see if it affects the lowbeams or jump the LT GRN/BLK wire to one of the ORG wires at the relay.






Customer: replied 8 years ago.
Reply to LSx Tech Shawn's Post: already replaced that relay. Also the multifunction switch. Is there another relay?
Expert:  Shawn replied 8 years ago.

Not that I know of. Low beams are the dark blue wire comming off the switch. I have seen this wire melt at the connector before. Hook the voltmeter up to the dark blue wire at the headlamp and wiggle the dark blue at the switch and watch for voltage dropout.



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