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Old Feb 27, 2015 | 04:20 PM
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Darn blinkers

Having some blinker issues, need help BAD!!

Had to replace some wires in the bed because they were all fuggered up. After some issue I have lost my right and left turns. I have brakes, tails and emergency flashers.

I have checked all the fuses and all have good juice. I have changed out the flasher and changed out the turn signal switch. I just don't seem to have any power to that circuit

Any idea where to look????

Chris
 
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Old Feb 27, 2015 | 04:36 PM
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TWO different flashers. One for the T/S, another for the 4 way flashers. Both look identical and have two prongs, but the 4 way flasher is a H/D unit, has a louder CLICK

T/S flasher plugs into the back of the instrument cluster. 4 way flasher attaches to a bracket that is retained to the back side of the dash with a screw.

See parts catalog pic:
 
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Old Feb 27, 2015 | 05:36 PM
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thanks, that was not it. I should have power to the flasher when the key is in run right?? That would power the switch and give me juice till the flasher warms up breaks and then returns correct, i don't have any voltage to the flasher assembly

Chris
 
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Old Feb 27, 2015 | 06:02 PM
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Are you sure the bed connections/wiring is correct? Sounds like maybe a wiring problem in the bed area? So you had them, then after "some issues", lost them? What issues?

Do you have power going into the t/s switch, and power out?

Start where the power comes from, the battery/alternator, then to the fuse panel, then to ....

Sure miss FMC400 about now, ping mikeo0o0o0 for a sparky hand.
 
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Old Feb 27, 2015 | 06:09 PM
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ok boys,

I have NO power to the turn signal switch, if I hook a wire from the fuse box to the one side of the blinker assembly all of my problems are solved!! It looks like I have a wire disconnected or broken somewhere between the blinker and the place it gets it powered.

Also, I have no continuity from ANY fuse to the blinker module feed!! I am at the point of just running a wire up to the dog gon thing and calling it good!!

Chris
 
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Old Feb 27, 2015 | 06:10 PM
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forgot to mention, it is a 78 F250 custom if that matters

Also, what is that gian red lug under the dash for??

Chris
 
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Old Feb 27, 2015 | 06:18 PM
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Originally Posted by drtnsnw
I am at the point of just running a wire up to the dog gon thing and calling it good!
Sure do that, this is the worse that can happen.

At least you, for the most part know where the problem is. Do not quite, now chase the problem and fix it.

I need a pic of the red lug to help ID it.
 
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Old Feb 27, 2015 | 06:56 PM
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Rich, thanks for thinking of me.

I don't think that is going to happen, I am running it off a 5 amp fuse to the power side of the blinker module with the plug only on the half that goes to the blinker switch. My issue is upstream of the blinker module. I understand shorts and fires. I am sure that is not the going to happen here.

My issue now and I can't seem to track it down in the diagrams is where does that blinker get it's power from, it does not come from the fuse panel inside the truck.

Chris
 
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Old Feb 27, 2015 | 09:26 PM
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My worry wouldn't so much be your new wire as whether the old, broken one might short out somewhere.
 
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