76 light problrms
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76 light problrms
I have a 76 shot box F100 that started having light ptoblems. The first thing I noticed was no marker or tail lights, and only one of the blinker lights worked when I turned on the parking lamps. Then I tried the brake lights and only the left one workd. In the front only the right blinker works. The other thing I noticed was when I turn the park lights on, the left blinker indicator turns on. The headlights work. I'm not really sure where to start given this. I've checked the fuses and they are all okay. I've also checked the ground wires for the marker and other lights that don't eork. I'm just not sure what would cause all of this to happen at once. Any suggestions?
Fleet Owner
Joined: Dec 2009
Posts: 20,678
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From: NorCal
Side markers are usually just dirty contacts since they live in the wheel well.
Moderator & parts slinger
Joined: Feb 2007
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From: S/W Missouri, Polk county
First you need to remove the steering wheel, then the turn signal switch. Drive the roll pin out of the gear shift and pull it out. There is some spring pressure to work against to get the shifter out. Then, underneath the turn signal switch are two nuts. Try loosening these first, then remove the casting. These are what "clamps" the collar in place. If you take the nuts all the way off the little square head bolts might fall into the steering column and can be areal pain to retrieve.
Once all that's out of the way, you can pull the shift collar off. To remove the turn signal switch, you need to remove the phillips head screws that hold the switch in place. Unplug the switch harness under the dash. Look at the harness plug, then look at the terminals, there are little plastic fingers that lock them in place. Depress the fingers and pull the wires out of the plug. Be sure to make a chart of where the wires go. Once the plug is removed, tie a string around the wires and pull the switch out all the way.The string will make getting the wires back through easier. The shift collar just pulls off and the new one pushes on. After that reassemble in reverse order.
Once all that's out of the way, you can pull the shift collar off. To remove the turn signal switch, you need to remove the phillips head screws that hold the switch in place. Unplug the switch harness under the dash. Look at the harness plug, then look at the terminals, there are little plastic fingers that lock them in place. Depress the fingers and pull the wires out of the plug. Be sure to make a chart of where the wires go. Once the plug is removed, tie a string around the wires and pull the switch out all the way.The string will make getting the wires back through easier. The shift collar just pulls off and the new one pushes on. After that reassemble in reverse order.
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