Parking lights snafu

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VonCramp

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Today I am trying to get my parking lights on Barracuda to work. It is a '69 'Cuda. The socket for the turn signal and parking light is working because it lights my test light up. The bulbs are good because I tried them in the taillight sockets and they function correctly. I check the contacts on the parking light socket and they are functioning as they should. Put a bulb in the socket and nothing. WTH is going on??? Ground or incorrect bulbs?
 
You can test ground the socket with a wire and eliminate that possibility, and if you use the socket for the ground of your light and it works it's not a ground problem.
If you have the bulb with the correct contacts then it pretty much has to be the spring in the socket not pushing the contact pad up enough for the bulb to make contact.
(You said everything works separate)
 
You can test ground the socket with a wire and eliminate that possibility, and if you use the socket for the ground of your light and it works it's not a ground problem.
If you have the bulb with the correct contacts then it pretty much has to be the spring in the socket not pushing the contact pad up enough for the bulb to make contact.
(You said everything works separate)
One thing I managed to figure out is that the blinker side of socket doesn't work unless the headlight switch is on in either park light mode or all the way on in headlight mode. If headlight switch is off, then the blinker side doesn't do anything.
 
One thing I managed to figure out is that the blinker side of socket doesn't work unless the headlight switch is on in either park light mode or all the way on in headlight mode. If headlight switch is off, then the blinker side doesn't do anything.
Sounds like either possible ground problem or someone wired the signals into the headlight circuit.
I don't think tail lights normally have anything to do with the signal circuit at all, and don't even run through the column/signal switch.

Try and find the wire that normally supplies the signal circuit and then see if it's connected to the headlights power somewhere.
Tail lights are easy since they only come on with the headlight switch.
 
I grounded the socket on parking light and the bulb came on. I don't know how the socket normally grounds but by setting a wire on the metal socket and grounding it, the light comes on.
 
All of your front lights should have a ground wire attached with a screw through the core support.
 
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