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Here is my problem my headlights will go up but not down or they will go down but not up :mad The guy who had my vette before me wrecked it in the front and he rigged the wiring so i need to find what wires go where and ect or if any 1 know where i can get a new harness plese let meknow thanks jay
If your 85 is like my 86 there are three relays mounted under a black plastic cover in the driver's side headlight well close to the front of the tire.
I'd first check to see if the relays are still there and working properly. There's one headlight door relay for each headlight and an isolation relay.
Closing the right hand door is caused by voltage passing through the isolation relay.