One goes out they all go out?

76 Comet strange situation. At one point all my lights worked. But when a front turn signal bulb went everything went out. I went to replace the bulb and the old one was stuck in the socket. Pried it out and destroyed the socket. I got a replacement but have yet to replace.

My question is when that bulb went out so did almost everything else. All I have now are headlights and front side lights. No front signals, brake, tail, and rear turn signals. Is this somehow connected to that front turn signal bulb? Or would something else effect the rest of the lights and its a coincidence they all went out?

 

If you have no park, tail lamps or license light, the headlight switch is probably defective... There are circuit breakers inside that feed headlamps and other light separately... These breakers will not affect the signal lamps...

 

That makes sense, but what would knock all 4 turn signals out? Would I turn signal bulb effect the others?

 

Post on operation:

http://mmb.maverick.to/threads/turn-signal-lights-illuminated.102163/page-2#post-1039283

Micah

 

Thanks Micah!

 

Ok update, I was wrong. I do have rear side lights. So no front or rear turn signals, brake or parking lights. Going to replace the bulbs tonight in the back, see what that does.

 

Next update. Went to replace the passenger side turn signal socket and bulb. Once replaced I could get the bulb to light up, but no blink. Also, the interior turn signal blinker light on the passenger side stays on, but no blink. Switch maybe?

 

Check all of your grounds and bulbs on both the turn and side markers. It is a screwy system in which the non-operating bulb is used as a ground. It doesn't seem right but that is how they did it. If a bulb is burned out, there is no ground.

Micah

 

All side markers work. For the exception of the headlights they are the only lights that work. I can get the front turn signal bulbs to light up, but no blink. Would a ground cause the bulb to not blink? I would think if its a ground it wouldn't work period.

 

Current thru the "blinker can" under the dash causes it's bimetallic strip to heat up and open, which causes your blink. If you don't have enough load (working bulbs) on the circuit to heat the strip, the blinker won't blink. The bulbs will just be on all the time. Get all the bulbs working and report back.

 

OK, I did end up getting both front turn signal lights to come on, just no blink. I need to replace the bulbs/sockets in the back because they look chewed up. Could the fact that I have no working rear turn signals be the reason my front turn signals dont blink?

 

Absolutely...

 

I'll check it out this week. Thanks guys.

 

Update, replaced all bulbs and sockets. The turn signal lights all come on, but dont blink. Also, replaced the bulbs and sockets in the back up lights, but still get nothing. Warning lights do work. No blinking or backup lights.

 

If signals light front and rear, wiring should be OK, really leaves only flasher...

If you can remove the flasher and signals don't light at all, you need another flasher... That's assuming all are lighting as the should...