Brake light Switch - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 7 (permalink) Old Feb 22nd, 04, 02:58 AM Thread Starter
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I am having problems with brakelights on a 68. Tailights work, turn siganls work, but brake lights do not. I am going to try replacing the turn signal switch next but...
Could anyone tell me if there is supposed to be power to the orange wire on the brake light switch on the brake pedal. If so where does that wire go. It disappears into the harness. I put a test light to both sides of the switch and there is no power orange or white wire.
Thanks guys.

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post #2 of 7 (permalink) Old Feb 22nd, 04, 05:44 AM
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The organge wire should have power at all times via the stop / haz fuse in the fuse block. I believe it is the lower left fuse. The white wire from the switch goes into the curved connector on the steering column. In the steering column it is connected to the hazard switch. Basically the hazard switch connects the brake / haz lights to either the brake switch or the hazard flasher circuit. It does not connect to the turn signal switch.

So it sounds like you've narrowed the problem down to having no power on the orange wire. So lets focus there. The right hand terminal of the stop / haz fuse should connect directly to the orange wire on the brake switch and one of the (bottom terminal I think) hazard flasher terminals on the fuse block. If that works then see if you have 12 volts on the left hand terminal of the stop / haz fuse. You should have power there. That is fed via a fat red wire that provides battery power to all sorts of circuits in the car. If not, post back and we'll take it from there.

Be watchful of bad connections such as those caused by corroded terminals. The fuse terminals are a prime suspect. What is weird about bad connections in a relatively high current circuit (such as the tail lamps) is that they'll show full system voltage at no load and next to nothing when loaded. If you need to remove some scrunge from the fuse terminals get a small round wire brush like a .22 caliber rifle barrel brush to scuff them up again. WARNING - disconnect one of the battery cables (negative recommended) before sticking metal objects in fuse sockets. [img]graemlins/clonk.gif[/img]

Let us know how it goes.

[ 02-22-2004, 12:26 PM: Message edited by: dnult ]

Dave
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68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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post #3 of 7 (permalink) Old Feb 23rd, 04, 06:57 AM
 
Join Date: Feb 2004
Location: Sandusky Ohio
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Angry

Thanks Guido for helping me work on the car and posting my problem on this site. Thanks Dave for responding.. As you see I joined too. I ordered a new indicator switch today.

Dan

[ 02-23-2004, 05:29 PM: Message edited by: Tug68SS ]

68 Camaro SS SB 377 (650 HP) Bowtie Block, JE pistons, BME Rods,Bowtie intake, Brodix X11 cnc ported / Jesel belt drive / Bullet Cam/ Crank trigger/MSD 7al/ MSD 2 step/Carb Big One<br />Mouse with attitude..
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post #4 of 7 (permalink) Old Feb 23rd, 04, 09:53 AM Thread Starter
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No problem Tug, your problem is my problem.
Dnult your post was a real big help. I think we almost got it or maybe were no where even close. Thats how it is with these electrical probelms, lol.

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post #5 of 7 (permalink) Old Feb 23rd, 04, 01:17 PM
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No problem. I'm kind of a nurd when it comes to electrical. I've spent quite a bit of time lately tracing through every circuit on mine since I have the wiring harnesses out of the car and can compare them to the schematics. Sounds like you might have an easy fix there.

Dave
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post #6 of 7 (permalink) Old Feb 24th, 04, 02:50 PM
 
Join Date: Feb 2004
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Angry

Thanks Tony for coming over again, and getting all the lights going again.. The new switch did the trick.. Car should be ready for openning Day at Norwalk..

Dan

68 Camaro SS SB 377 (650 HP) Bowtie Block, JE pistons, BME Rods,Bowtie intake, Brodix X11 cnc ported / Jesel belt drive / Bullet Cam/ Crank trigger/MSD 7al/ MSD 2 step/Carb Big One<br />Mouse with attitude..
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post #7 of 7 (permalink) Old Feb 24th, 04, 03:00 PM
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Beers all around! [img]graemlins/beers.gif[/img]

Dave
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