help with running power cable through firewall
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In the corner of the engine bay between the master cylinder and the driver's side hood hinge is a large rubber grommet that the main wire harness passes through. You can cut a small hole in the side of the grommet and run the wire through there. If it's hard to get it through the hole or you have trouble getting your hand in there to feed it through, cut off a straight piece of a wire coat hanger and use electical tape to tape it to the end of your wire. Then you can push the coat hanger thru the hole you cut and pull it through from inside the cab. It helps to grease the taped area with vaseline or a little wheel bearing grease to help get it through.
Be sure to fuse your power wire connection within 6 or 8 inches from the battery post to prevent a fire hazard if there ever is a short in the wire.
Be sure to fuse your power wire connection within 6 or 8 inches from the battery post to prevent a fire hazard if there ever is a short in the wire.
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