Ok. I bought a brake controller and wiring harness today. All the posts I have searched say be careful not to use the older harness as it's wired different. Mine does not list a year on it so I don't know if it's older or not. What sequence do the wires go in on the correct plug?
Brake Controller
Started by
Got A SS
, Feb 04 2005 08:27 PM
5 replies to this topic
#1
Got A SS
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SS Newbie
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Posted 04 February 2005 - 08:27 PM
#2
Xero
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formerly nice_n_lo_silverado
- Location:Cleveland, Oh
- Color:Black
- Year:2004
Posted 05 February 2005 - 10:19 PM
if i remember correctly from 03 to the 04 model year the wireing got changed...but i think (but dont remember) from 99-03 the wireing is the same? tell me if im wrong but i do believe im right
#3
d_a_n_payne
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WhaBAM!
- Location:North Louisiana
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Posted 06 February 2005 - 02:01 AM
your wrong
I dont have a clue what im talking about
I dont have a clue what im talking about
#4
DaGeorge
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- Location:Stevensville, MD
- Owns:SS
- Color:Black
- Year:2004
- Drivetrain:AWD
Posted 06 February 2005 - 10:02 AM
Did your SS come with the tow package 
. If so you should have got the harness with the truck, and the wiring is labled on the harness.
. If so you should have got the harness with the truck, and the wiring is labled on the harness.
K&N Drop-In,Magnaflow SS, Descreened MAF, Comp XR265HR and 918 springs, ASP underdrive pulley.
... and one of those shiny SS bowties
#5
zippy
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Posted 06 February 2005 - 04:08 PM
ok guys, here you go:
The 1999 though early 2003 wiring harness jumper that plugs into the relay block will have a reddish/brown 6-way connector and a tag with the last four digits of the wiring harness part number. Second design 2003 may have a white plastic connector with part number 5418 as well.
The 1999 jumper is/was P/N 12171982 with a pink/purple tag identifier of 1982. This number has been superseded to 15366255, with a pink/purple tag identifier of 6255.
The 2000 jumper harness is P/N 15366255. The pink/purple tag identifier is 6255.
The 2001-2002 jumper is P/N 15086884. The orange tag identifier is 6884.
The 2003 jumper is P/N 15085418. The orange tag identifier is 5418.
When transferring the brake controller with the wiring jumper attached from a 2001-2002 vehicle to a 2003 vehicle, a change to the jumper harness connector must be performed.
The following information is for the 1999-2002 wiring harnesses.
Pin
Wire Color
Circuit Number
Function
A
LT BLUE
1620
Stop lamps
B
RED
142
Brake controller 12 volt source
C
DK BLUE
47
Brake Controller output (Trailer Brakes)
D
BROWN
2409
Brake controller illumination
E
--
--
--
F
BLACK
1850
Ground
The following information is for the 2003 wiring harness.
Pin
Wire Color
Circuit Number
Function
A
BROWN
2409
Brake controller illumination
B
RED
242
Brake controller 12 volt source
C
DK BLUE
47
Brake Controller output (Trailer Brakes)
D
LT BLUE
1620
Stop Lamps
E
--
--
--
F
BLACK
1850
Ground
To modify a 12171982, 15366255 or 15086884 harness for use in a 2003 vehicle, switch the wires in cavities "A" and "D".
To modify a 15085418 harness for use in a 1999-2002 vehicle (see model list at the front of this bulletin for applicable models), switch the wires in cavities "A" and "D".
The 1999 though early 2003 wiring harness jumper that plugs into the relay block will have a reddish/brown 6-way connector and a tag with the last four digits of the wiring harness part number. Second design 2003 may have a white plastic connector with part number 5418 as well.
The 1999 jumper is/was P/N 12171982 with a pink/purple tag identifier of 1982. This number has been superseded to 15366255, with a pink/purple tag identifier of 6255.
The 2000 jumper harness is P/N 15366255. The pink/purple tag identifier is 6255.
The 2001-2002 jumper is P/N 15086884. The orange tag identifier is 6884.
The 2003 jumper is P/N 15085418. The orange tag identifier is 5418.
When transferring the brake controller with the wiring jumper attached from a 2001-2002 vehicle to a 2003 vehicle, a change to the jumper harness connector must be performed.
The following information is for the 1999-2002 wiring harnesses.
Pin
Wire Color
Circuit Number
Function
A
LT BLUE
1620
Stop lamps
B
RED
142
Brake controller 12 volt source
C
DK BLUE
47
Brake Controller output (Trailer Brakes)
D
BROWN
2409
Brake controller illumination
E
--
--
--
F
BLACK
1850
Ground
The following information is for the 2003 wiring harness.
Pin
Wire Color
Circuit Number
Function
A
BROWN
2409
Brake controller illumination
B
RED
242
Brake controller 12 volt source
C
DK BLUE
47
Brake Controller output (Trailer Brakes)
D
LT BLUE
1620
Stop Lamps
E
--
--
--
F
BLACK
1850
Ground
To modify a 12171982, 15366255 or 15086884 harness for use in a 2003 vehicle, switch the wires in cavities "A" and "D".
To modify a 15085418 harness for use in a 1999-2002 vehicle (see model list at the front of this bulletin for applicable models), switch the wires in cavities "A" and "D".
Phone number: 231-638-1981 or 702-406-0333
Vehicles: 2006 Silverado 345RWHP 13.59@100 full street trim and 2002 Tahoe with 408 numbers coming soon.
Vehicles: 2006 Silverado 345RWHP 13.59@100 full street trim and 2002 Tahoe with 408 numbers coming soon.
#6
d_a_n_payne
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WhaBAM!
- Location:North Louisiana
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- Year:2003
Posted 06 February 2005 - 04:17 PM
What does this modifying do?
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