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1994.5 - 1997 7.3L Power Stroke Diesel  

Wiring brake light.

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Old Feb 17, 2009 | 10:00 PM
  #16  
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TexasDiesel97
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I'm glad i could help
 
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Old Feb 18, 2009 | 10:58 AM
  #17  
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Exclamation

ONLY one question:
Acording to the written by Texas and with the diagram from BlueMule, I thought was the same , BUT are exactly the opposite ; Im confussed now: it can be done in either way, it doesnt matter, or what is the correct?
 
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Old Feb 18, 2009 | 01:25 PM
  #18  
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Either way will work .. your call.

85 - 86 is the relay coil.
30 - 87 is the relay contacts.
 
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Old Feb 18, 2009 | 02:00 PM
  #19  
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Thumbs up

Originally Posted by Hussler
Either way will work .. your call.

85 - 86 is the relay coil.
30 - 87 is the relay contacts.

ah, OK, thank you very much.
BTW, searching in the web, I found the module to use when you install a Third brake light. Here are the links, and one of my brake light.

Command Third Brake Light Logic Module
http://www.commandelectronics.com/logicmodule.html
http://www.buyautotruckaccessories.com/product.cfm/cf-bin/pn.pacer-taillight-logic-module/#apps

LED BRAKE LIGHT.
http://www.am-autoparts.com/AM/Tail-Lights/Chevrolet/Suburban/-/AM-18017556/?utm_medium=shoppingengine&utm_source=ShopzillaSF
 
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Old Feb 23, 2009 | 12:08 PM
  #20  
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Unhappy

UPDATE:
Well this weekend I put the relay and the third brake light worked fine. But after looking at the wire from the third brake light, I found that the wire had a little exposed part of the cooper material in the part between the camper shell and the tail door, so, now I understand why the third brake light shorted and blew the #13 fuse in the dash.
Now, my question is: do I let the relay there (with more connections, with the possibilty to fail)? or I reconnect the third brake light wire to the wire I found that comes on with the brake (only one direct connection)?
 
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Old Feb 23, 2009 | 03:40 PM
  #21  
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Originally Posted by RÖENTGEEP
UPDATE:
Well this weekend I put the relay and the third brake light worked fine. But after looking at the wire from the third brake light, I found that the wire had a little exposed part of the cooper material in the part between the camper shell and the tail door, so, now I understand why the third brake light shorted and blew the #13 fuse in the dash.
Now, my question is: do I let the relay there (with more connections, with the possibilty to fail)? or I reconnect the third brake light wire to the wire I found that comes on with the brake (only one direct connection)?
BUMP, BUMP
 
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Old Feb 23, 2009 | 03:49 PM
  #22  
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Since you found a short my vote is to reconnect the third brake light wire to the wire you found and give it a try. Less to go wrong.
 
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Old Feb 23, 2009 | 03:53 PM
  #23  
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Thumbs up

Originally Posted by Hussler
Since you found a short my vote is to reconnect the third brake light wire to the wire you found and give it a try. Less to go wrong.
yes, thank you, I was thinking the same thing. I will.
 
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