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I need a wiring diagram for a 1999 suburban. I am trying to wire in an electric brake system.I bought a Valley, Jouney HD brake controller and their help desk sent pictures for a 2007 model.
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Jump to 1995-1999 - Here you will find fuse box diagrams of Chevrolet Suburban 1993, 1994, 1995, 1996, 1997, 1998 and 1999, get information about the ...
http://www.bbbind.com/free_tsb.html free wiring diagrams . Enter your vehicle info. under system click on engine , under subsystem click fuel controls . Click the search button , then click on the second blue link 6th diagram down is fuel pump electrical diagram .
You can find free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. Year , make , model an engine size . Under system click on brakes .under subsystem brake control will show on it's own . Click the search button .
Try checking the wires on the harness going to the brake switch. I have the same problem, and there was a short in one of the connections. the bad thing about it, it is hard to get to with out dropping the column. Hope it helps.
Have it checked for DTC'S - diagnostic trouble codes ? Does the battery goes dead with the vehicle sitting overnight ? Where do you hear the clicking noise coming from ? Under the insturment panel ?
Test the electrical circuits for those systems using voltage drop . Do you know how to test automotive electrical circuits using a DMM - digital multi meter and a wiring diagram so you know where to test at . Find out what this systems have in commond , a B+ voltage supply or do they share a common ground point ! Looking at a wiring diagram i see the cruise control and 4X4 transfer case shift control module share a common ground G- 103 & G-104 . Plus the
2 or 4 wheel drive light is controlled by the transfer case shift control module
G103 (Gas)
On the right front side of the engine, near the thermostat housing
Power and Grounding Component Views in Wiring Systems
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G104 (5.0L/5.7L)
Backside of the right cylinder head
It is more then likely a loose connection ( ground ) maybe ! But without testing this would be just a guess !
Free wiring diagrams here http://www.bbbind.com/free_tsb.html Click wiring diagrams , not TSB'S Enter the vehicle info. year , make , model and engine size . Then under system click on the one's your having problems with . Start with testing B+ at the battery engine off ,then running ! 12.6 V engine off is a fully charged battery , 13.1 to 14 .1 + is good charging voltage . Watch the videos an test the circuits . Good luck ! You would like to know what the problem is for sure not guesses .
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