ground locations 36 club cab

[Bob56]

engine stars and runs but none of the lights work so I am assuming I have a ground problem. Can someone tell me where the ground locations are, not very good at reading wiring diagrams

[4dFord/SC]

Have you checked the switch?

[Bob56]

Not yet, but I have no brake lights either. Would they go through the switch

[Don Rogers]

Check your fuse. All ignition circuits and starter circuits run directly off the battery.(thats why your engine runs) Lighting circuits run thru the fuse circuit.

[4dFord/SC]

Brake light has a separate switch, but I believe it is powered from the battery side of the light switch. Each light is grounded through its attachment to the body.

[Bob56]

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Found a blown fuse but when I replace it, it immediately blows again. The wire comes off the left side of the fuse block where the fuse holder is

[weemark]

if the fuse blows immediately you have a short somewhere in the system. you are going to have to check your wiring and possibly have to start disconnecting wires to find out where the issue is if you don't find anything obviously wrong. Because your wiring loom is modular it shouldn't be too difficult to find out where the issue is.

[JSeery]

See if these help any.

[weemark]

when I was wiring my car I found the below diagram useful. to make it easy I would disconnect the rear lights at the light switch on the bottom of the column and replace the fuse and see if it blows, if it does you know its nothing to do with the rear lights or loom and your only dealing with the front half of the car.

[rich b]

If you jumper the fuse holder with a light bulb, you can check power at light sockets etc and learn which section the short is in. I use a giz like in the picture; but use alligator clamps when checking a circuit with glass fuses (the inline fuse in the giz isn't necessary).