I am trying to get my headlights working on my 71 exmod.
I have done some testing and will start with the high beams circuit.
I have power to the front Blue/white source wire. I reconnected and with a test light have power at the headlight connector, test lamp connected from connector to a ground lights well. (BTW it has Hella upgraded lights). White running lights are also lit. I then plug in the bulb and nothing, running lights go out and headlight bulb does not light (tried a few bulbs, not the problem). I'm thinking a ground problem because the difference between the test light and headlight is that I am directly connecting the test light to a ground. What confuses me is why do the running lights go out (think they are called side markers, white ones)
Any ideas, really want to avoid doing any major rewiring.
I have done some testing and will start with the high beams circuit.
I have power to the front Blue/white source wire. I reconnected and with a test light have power at the headlight connector, test lamp connected from connector to a ground lights well. (BTW it has Hella upgraded lights). White running lights are also lit. I then plug in the bulb and nothing, running lights go out and headlight bulb does not light (tried a few bulbs, not the problem). I'm thinking a ground problem because the difference between the test light and headlight is that I am directly connecting the test light to a ground. What confuses me is why do the running lights go out (think they are called side markers, white ones)
Any ideas, really want to avoid doing any major rewiring.
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