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MGB Turn signal, reverse and brake lights
- Thread starter gudfood
- Start date
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Welcome to the BCF!
First place I check for electrical problems with these cars is the ground connection. If I'm not mistaken, the lights at the rear of these cars share a common ground point. Look in the boot (trunk) along the rear panel and you should see a small group of black wires screwed/bolted to the panel. Disconnect them, clean up the contact area and reconnect.
Let us know what you find.
Mickey
First place I check for electrical problems with these cars is the ground connection. If I'm not mistaken, the lights at the rear of these cars share a common ground point. Look in the boot (trunk) along the rear panel and you should see a small group of black wires screwed/bolted to the panel. Disconnect them, clean up the contact area and reconnect.
Let us know what you find.
Mickey
WillR
Jedi Warrior
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Replacement fuse boxes will not go in my MGB. The ones I have tried have very little spring to the tabs that hold the fuse. Get a test light and see it there is power to one side of the fuse box where the green wires are. A multimeter will also work but is more of a pain in the butt to operate. A test light has one clip to ground and other end to see if power is present. With a multimeter you have to hold 2 wires, one to ground and the other to the end looking for power all while keeping the screen in view.
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It's so easy to isolate electrical problems that just buying parts and replacing them, in the hope that it might fix a problem, really makes no sense. You need to use a meter or test lamp to trace through the circuit and figure out where you are losing power. It may well be the switch, or it may be somewhere else. You don't know, and we can't say, until you do that.
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