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| | | | Joined: Jul 2001 Posts: 3 New Guy | | New Guy Joined: Jul 2001 Posts: 3 | Hi guys, here's a simple question I'm sure. I have no brake lights on my 41 chevy. One wire is off the pressure switch but when I hook it up...zip! Also, neither wire going to the pressure switch appears to be hot. tail lights work fine. Also the dimmer switch works fine. I'm not sure, but it looks like the brake pressure switch may be tied into the dimmer switch?  Any help would be appreciated. Thanks. | | | | | Joined: Aug 2005 Posts: 6,378 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,378 | Your brake light should feed off of an always hot wire from the light switch. Wiring diagram. Looks like it's time to get a multi-meter and do some testing. I would start with the connection at the light switch. Good luck.
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| | | | | Joined: Mar 2011 Posts: 457 Shop Shark | | Shop Shark Joined: Mar 2011 Posts: 457 | Tiny is right on. And, someone may have added a fuse somewhere between the BAT source and the switch; could be open. More likely, old, damaged wire. Get that tester. 
1940 Chevy 1/2 ton pickup "KC"
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| | | | | Joined: May 2005 Posts: 8,983 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,983 | No power to one side of brake switch? I agree with Tiny amd Casey. Just to repeat the obvious: trace backwards from switch, using Tiny's schematic, to find where hot first appears. You just need a circuit tester. (sharp tipped prong with a bulb and clip sold in many stores) you probably have one. Quickest way: Run a fused/unfused test wire from battery to switch and depress brakes. That will make you feel good and confirm that it's just lack of juice.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
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