elecric problem

[56yblock]

hello everybody, i have a few electric lights problem with my 56 lincoln premiere, i'm looking to adapt a recent headligh switch, i think mine is dead, does anyone knows where i can find one that fit on it? thanks for help me

i post the pic the original headligh switch that is on the left

[mercman from oz]

56yblock is looking for an original headlight switch shown on the left

[KULTULZ]

Looks as if this is going to be one tough find -

FDU 11654-D

[Flathead Fever]

Bend those crimps back and disassemble it. You might be able to clean or bend the contacts inside.

It might also be the dimmer switch and not the headlight switch. If it's a floor mounted one, they go bad all the time and you will have no headlights at all. Nine times out of ten it's the dimmer switch. I'd try that first before you attempt to take the switch a part. You really need a voltmeter to diagnose if it's the dimmer switch or the headlight switch so you're not guessing.

[rotorwrench]

I always open them up and inspect. If it's burned up than it's time for an NOS or good used one but it may just need the contacts cleaned. Mercury cars are a little bit easier to find parts for than Lincoln but some parts can be very elusive. Folks that own the Lincoln tend to hoard the parts that can wear out. I don't think they are reproduced.

[56yblock]

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i think i found the problem, the dashboard wiring both tail light , license plate light,are the same contact, when i remove the dasboard wiring all lights works fine , exept the dasboard light, that's him makes trouble , i hope you understand

[dmsfrr]

Originally Posted by 56yblock

i think i found the problem, the dashboard wiring both tail light , license plate light,are the same contact, when i remove the dasboard wiring all lights works fine , exept the dasboard light, that's him makes trouble , i hope you understand

I'll guess one of the wires for the dashboard panel lights is frayed or loose from where it should be and is shorting out / grounded on a metal part of the dashboard. Possibly just inside one of the sockets where the wire passes thru the back edge of it.
.

[56yblock]

for to check one by one the wires i must to remove the dasboard cause it's hard to access at the wiring

[dmsfrr]

Originally Posted by 56yblock

for to check one by one the wires i must to remove the dasboard cause it's hard to access at the wiring

Depending on the vehicle I'm not sure which choice is more difficult... working under the dashboard looking for a bad wire, or removing the dashboard to get to the wiring while it's on a workbench.
But removing the whole dashboard is definitely much more work.

I'd be inclined to leave the dash in place, remove the seat from the car and pad the floor with blankets. Use a mid-sized LED worklight to avoid burns to your arms and head.
Using a cellphone to take closeup photos under the dash may cut down on the number of contortions needed to look for tired or worn wiring.

In this car ('57 Bird) to remove the dashboard I first had to remove the steering column. Disconnect the heater, wiper and fresh air controls, and all the wiring in the engine compartment. Then push the front half of the wiring harness back thru the firewall into the space under the dashboard. Pulling the dash back and out, with all the wiring attached.