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Third brake light |
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nickleone 
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Joined: Oct/04/2008 Location: westminster co Status: Offline Points: 1446 |
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 Topic: Third brake lightPosted: Mar/10/2015 at 12:45pm |
 Late model Blazer roof mounted 3rd brake light. Wired to my 62 Classic SW. Wires run inside under headliner and down rear pillar to taillight. Nick |
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nick
401 71 Gremlin pro rally car sold 390 V8 SX/4 pro rally car sold 1962 Classic SW T5 4 wheel disc brakes |
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bikerfox
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Joined: Aug/02/2009 Location: USA Status: Offline Points: 4473 |
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Posted: Mar/10/2015 at 12:57pm |
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Great idea and one that I've thought about for awhile. Looks and reads like a clean installation!
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1969 Rebel SST (1970-1987)
1968 AMX (2005-2011) 1969 SC/Rambler (2011-2019) 1970 Javelin (2019 to ?)"Jane" |
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nickleone
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Joined: Oct/04/2008 Location: westminster co Status: Offline Points: 1446 |
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Posted: Mar/10/2015 at 1:04pm |
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The hardest part was getting the wire inside the car. There is some interior metal work and I have fat fingers. LOL
Nick |
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nick
401 71 Gremlin pro rally car sold 390 V8 SX/4 pro rally car sold 1962 Classic SW T5 4 wheel disc brakes |
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ga70amx
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Joined: May/29/2012 Location: Sugar Hill GA Status: Offline Points: 497 |
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Posted: Mar/10/2015 at 1:07pm |
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I mounted one of those to the inside of the glass using double sided tape.
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Corvette powered '77 280Z
'70 AMX 390 Golden Lime Metallic '67 Chevy C10 stepside |
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bikerfox
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Posted: Mar/10/2015 at 1:08pm |
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I wanted to hook up a "temporary" light (for driving/safety purposes), but figured I'd have to wire it to the rear lights or do what you did. Then, there's the issue of how to "temporarily mount" the light to the car--maybe a strong magnet might work, hopefully w/o scratching the paint.....
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1969 Rebel SST (1970-1987)
1968 AMX (2005-2011) 1969 SC/Rambler (2011-2019) 1970 Javelin (2019 to ?)"Jane" |
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FuzzFace2
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Joined: Jul/05/2007 Location: Angier, N.C. Status: Offline Points: 10356 |
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Posted: Mar/10/2015 at 7:11pm |
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You guys/gals running wires for the 3rd brake light to the rear lights are you using a "black box" to make it work.
I ask because you cant hook it up to either side rear light(s) with out the box as it will blink with the turn sig. and back feed thru to the other side. You need to run a wire back to the brake light switch before the turn sig switch. BTW I have run a wire back to my brake light switch on my project for a 3rd light. I don't know if it will be mounted top of rear glass or spoiler like newer cars but that takes a lot more work. Dave ---- Dave ---- |
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TSM = Technical Service Manual
75 Gremlin X v8 for sale 70 Javelin 360/auto drag car 70 Javelin 360/T5 Street car |
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emspaul
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Joined: Apr/02/2013 Location: Quincy Ma. Status: Offline Points: 181 |
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Posted: Mar/10/2015 at 7:18pm |
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Great point Dave.
Your 3rd brake light works through the multi function switch in newer autos , cot out the blinker back feeding .
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bikerfox
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Posted: Mar/10/2015 at 9:52pm |
So, who makes this "multifunction" switch and how does the third brake light route into/out of the switch?
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1969 Rebel SST (1970-1987)
1968 AMX (2005-2011) 1969 SC/Rambler (2011-2019) 1970 Javelin (2019 to ?)"Jane" |
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rocklandrambler
AMC Addicted
Joined: Feb/09/2013 Location: Nanuet, NY Status: Offline Points: 3953 |
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Posted: Mar/11/2015 at 12:59am |
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J.C. Whitney used to sell a logic circuit to be used with 3rd brake lights. I have no idea if they still do.
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Past AMC's
1974 Hornet X (new) 1975 Gremlin X (new) 1964 Classic 660 Cross Country 1965 American 440-H |
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pit crew
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Joined: Jul/08/2007 Location: delete Status: Offline Points: 5341 |
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Posted: Mar/11/2015 at 5:30am |
http://pacerperformance.com/products-footer/3rd-brake-light-logic-module One connection goes to the left brake light, one to the right, and one to the third brake light. Totally Wired sells the light with the module. http://totallywiredinc.com/home/product-overview/287/16/automotive-product-categories/accessories/universal-3rd-brake-lamp-with-stop-logic-module-detail On the older cars the simplest way is running a wire from the output side of the brake switch to the third brake light. Many of the generic replacement wiring harnesses have the extra wire tapped in at the brake switch connector right out of the box. Edited by pit crew - Mar/11/2015 at 5:39am |
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 73 Hornet - 401EFI - THM400 - Twin Grip 20 |
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emspaul wrote: