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Ronnie, ASE Certified Technician
Category: Lincoln
Satisfied Customers: 35610
Experience:  35 years as an automotive tech
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1986 Lincoln Continental. gh beams do not work. Tried dimmer

Customer Question

1986 Lincoln Continental. High beams do not work. Tried dimmer switch, checked the relays, and the high beam/ low beam eye in the windshield. Swapped parts from a 1987 Lincoln Mark VII which are similar parts. Flashed to pass high beam is the only way
it comes on. Auto lamp is off and auto dim is off. I tried to find answers on google with no luck.
Submitted: 1 year ago.
Category: Lincoln
Expert:  Ronnie replied 1 year ago.

Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.

One common cause for the loss of high beams on your 1986 is usually caused by a failed Photocell Amplifier, to check it copy and paste the link below to your browser to open and view it.

Customer: replied 1 year ago.
Gave it a try, jumped both outer pins, turned lights on by the rocker switch pulled on the dimmer switch and it melted my small jumper wire, again both auto dim/lights are off and the flash to pass works when u pull on the dimmer switch...
Expert:  Ronnie replied 1 year ago.

The melting of the jumper sounds like you have a short to ground in the circuit, have you checked for that?

Customer: replied 1 year ago.
No I haven't where would I start? could it be a relay? I belive there is 3 relays that work with the lights? Do you have a wiring schematic so I can try to figure it out?
Expert:  Ronnie replied 1 year ago.

I do have the wiring diagrams , there not the greatest due to the age of the car but Ill send them and hopefully you can use them, Have a look in the links below, copy and paste the links to your browser to open and we them.

Customer: replied 1 year ago.
awesome,i haven't had time over the weekend to mess with it so hopefully tonight after work...
Expert:  Ronnie replied 1 year ago.

No problem, I'm here if you need me, be sure to print the test steps out as they will expire over time.