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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Flasher/ signal light Question

 
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Old 05-06-2018, 09:46 AM
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Flasher/ signal light Question

I am trying to get my 66 f100 truck mechanically sound before i completely assemble it.

I Yesterday i received my new flasher emergency switch and i installed it.

I tried to turn on the signal lights and only one side on the dash lights up. If i turn on the flashers, both lights on the dash light up. So a least i know the signal bulbs are not burned out and are functioning.

I do not have any tail/signal lights hooked up,

Front signal lights are just dangling off the firewall. they do not light up.

At the flasher relay, i do have power coming in. No idea if my flasher relay is any good. However, i did try a few others.

I think someone will tell me the answer is to put the truck together they try again after all grounds are installed.

Thanks
 

Last edited by benbuilder; 05-06-2018 at 09:56 AM. Reason: added words
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Old 05-06-2018, 10:17 AM
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Well, it is true that the housing for the front and rear lights is also the ground plane so the housings MUST be grounded in order to have a complete circuit. At a minimum a jumper wire from the housing to ground. They just ain't gonna work without that.

Chad
 
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Old 05-06-2018, 02:05 PM
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And may need both bulbs, front & back wired into the system as the flashers work on load and with 1 bulb may not be enough load to work the flasher.
Dave ----
 
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Old 05-07-2018, 03:57 AM
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Thanks guys for confirming what i thought. I appreciate the help.
 
 
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