Electrical - turn signals / dash lights

The Round Body, Finned Comets

Electrical - turn signals / dash lights

Postby junkmurray » Tue Jan 29, 2019 3:12 pm

I swapped out the headlight switch hoping to solve my missing dash lights.

Well, not only did it not fix my dash lights, now by turn signals don't work (they worked before I swapped out the headlight switch). I've glanced at old topics in this forum and in others, but don't recall seeing anything on either of these issues. And yes I keep wondering whether I accidentally pulled a wire that was connected to the turn switch, but they do still seem to be connected.

Swap out all the fuses?

So anything to point me in a direction for either or both issues.

Back of my mind I'm wondering whether I need to go nuclear and swap out the harness...but that's due to frustration.

Thanks in advance.

Kind regards.
Tim
Plano TX
63 S22 Hardtop, 260
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Re: Electrical - turn signals / dash lights

Postby popscomet » Tue Jan 29, 2019 4:55 pm

did you dis connect battery before you started ?? if so,,retrace your steps ,,make sure all wires are in right location,,,check for blown fuse......make sure wire,,s are still connected,,,if all was working before hand ,,,then it points to you ,,,,most everytime,,,it'll always point to 3 things---MAN--METHOD--or MATERIAL...GOOD LUCK,,take your time ….also make sure you have good grounds....make sure stem in switch is turned to left,,,just before you go to far and the dome light comes on,,that is for,, dash lights....pop
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Re: Electrical - turn signals / dash lights

Postby redhotcomet » Tue Jan 29, 2019 6:33 pm

Not sure if a 63 is the same, but my 64 has an inline fuse for the dash lights. Its mixed in with the wiring that goes up to the instrument cluster. The fuse in my car blows about once a year for seemingly no reason. Its a short little glass fuse, about 5A if I remember correctly.
1964 Caliente hardtop, 302/T5/8.8"

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Re: Electrical - turn signals / dash lights

Postby popscomet » Tue Jan 29, 2019 7:33 pm

redhotcomet wrote:Not sure if a 63 is the same, but my 64 has an inline fuse for the dash lights. Its mixed in with the wiring that goes up to the instrument cluster. The fuse in my car blows about once a year for seemingly no reason. Its a short little glass fuse, about 5A if I remember correctly.

I've never noticed an inline fuse on my 64,as many times I've had the cluster out,,,,,,wonder if I just over looked it...or if because mine is such a early built date...I'll have to check that out ,,mainly just to know,,thanks POP
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Re: Electrical - turn signals / dash lights

Postby tomb22 » Thu Jan 31, 2019 6:34 pm

A 65 wiring diagram shows a inline fuse after the light switch going to the dash lights. The wire is blue/red in color and connects to the I terminal on the switch which is on the right side closes to the pull lever. Not sure if that's the same on a 63 or not.

There is a circuit breaker in the switch that can go bad, but if your headlights and tail lights work then that breaker is good. I had to replace the switch to fix my problem.
Tom
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Re: Electrical - turn signals / dash lights

Postby popscomet » Thu Jan 31, 2019 8:46 pm

I would safely belive there is an inline fuse on my 64,,I just never notocied it be fore,,,come warmer weather,,need to replace 2 dash lights,, will trace it down,,,,thanks pop
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Re: Electrical - turn signals / dash lights

Postby lavron » Thu Jan 31, 2019 10:03 pm

I drove my Comet when I was in high school with no dash lights for a couple of months, I had to use the high beam light to tell how fast I was going because the needle would cross it at 60mph, that was only when on the highway because in town the street lights gave enough light to see it.

I guess I must have changed that fuse but can't remember, I did fix them and never had to fix them again. I guess from that you could say the dash light are on a separate fuse than high beam indicator and turn signals etc.

See Ya,
Mike
64 Comet 202 Sedan, My first car, I have owned it since 1979!
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Re: Electrical - turn signals / dash lights

Postby junkmurray » Mon Feb 04, 2019 9:09 am

Thanks for all the feedback.

Interim update...

Pulled the headlight switch out and changed all the fuses. All were good although a few appeared to be "growing" things in them.

BUT when I was swapping out the Rear / signal fuse I noticed that there was a very small movement in the lead attachment to one end of the fuse bracket...just enough movement to create a disconnect. So I grabbed some electrical tape and compressed the corner to keep the connection. AND that solved the turn signal issue. :D

Also found the inline fuse (think it was 4.5A) and replaced it. It was blown. Regretfully that didn't solve the dash light issue, so I'll track that one down next - checking the fuse to see if it blew again (short), check switch just to make sure the rheostat is working, check line, and then finally check the dash bulb.

I'll let you know how it goes.

Thanks!
Tim
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