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Discussion Starter #1
According to the pinout diagram below I am supposed to have 12v to ground on pin #4 on my harness. As it stands now I do not. I have tried with the key in all positions and with the engine running and with the headlights and running lights on and still no dice.



All other pins work perfect. I have looked in the owners manual and cannot find a dedicated fuse for this pin like the others have so I am not sure where it sources its power from. Does anyone have any advice on where to start trouble shooting this issue? Many thanks!
 

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Satyr of the Midwest
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:stupid

After you're sure the fuses are good, grab a test light or DVOM, start at the plug, then move forward, checking for battery voltage between that line and chassis ground.
 

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shibby
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Oh, and the ignition has to be in the run position to get any voltage through that pin. It's not an always-on electrical source.
 

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Discussion Starter #5
There is a fuse for it under the hood, driver's side fuse box.
I must have read over the fuse chart in the manual like 5 times, I will go read again and report back. Thanks for the help.
 

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Super Moderator
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as i recall when i had my 96 f250 in order to use the 7 pin harness i had to install a relay in fuse box under hood that came with the wiring harness. i also had to purchase a 30 amp maxi fuse to put in the empty slot also in the fuse box under the hood.
 
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