This wiring is at the rear of the vehicle? I have some tables of circuit description, It would be advised to verify with a test lamp before assuming the circuits are what is listed.
2000 Chevrolet Chevy C Silverado - 2WD | Sierra, Silverado, Suburban, Tahoe, Yukon (VIN C/K) Service Manual | Body and Accessories | Body Rear End | Schematic and Routing Diagrams | Document ID: 521639
Trailer/Brake Controller Wiring Information
Table 1: Individual Conductors
Table 2: Individual Conductors
Important: The trailer harness and fuses must be connected to the engine wiring harness junction block. The trailer harness circuits are identified in the following table. Please take note of the maximum current ratings of the circuits.
Stop lamps and turn signal lamps are similar to the description in Exterior Lights Circuit Description, with the exception of the following conditions:
" From the stoplamp switch, voltage is supplied to the turn/hazard switch on CKT 17 (WHT).
" From the turn/hazard switch, voltage is supplied to the TRL L Turn or the TRL R Turn fuse on CKT 18 (YEL) or CKT 19 (DK GRN).
" From the fuse, voltage is supplied to the trailer connector
Individual Conductors CKT ID Number
Ground, 70 Amp maximum current (HD)
Ground, 25 Amp maximum current (LD)
Trailer brake controller switch output
Fuse output - Battery, 22.5 Amp maximum current
Fuse output - Battery, 30 Amp maximum current
Fuse output - backup lamps, 7.5 Amp maximum current (LD)
Fuse output - trailer backup lamps, 7.5 Amp maximum current (HD)
Fuse output - trailer turn/stop LH rear, 7.5 Amp maximum current
Fuse output - trailer turn/stop RH rear, 7.5 Amp maximum current
Fuse output - trailer CHMSL, 7.5 Amp maximum current
Fuse output - trailer park lamp, 7.5 Amp maximum current
Z82 - Trailering Pigtail - Electrical Installation Instructions
Important: Please consult your brake controller instruction on how to wire your controller with these circuits.
The brake controller pigtail and 40A B+ trailering MaxiFuse has been provided with the HD trailering option.
Plug in the 6 Way connector into the body wiring harness junction block which is located on the upper left of the drivers footwell.
Plug-in the 40Amp B+ trailering MaxiFuse in stud #1 location of engine wiring harness junction block.
The brake controller jumper blunt cut circuits have been identified as follows:
Individual Conductors CKT ID #
Trailer Brake Controller Switch Output
Fused Trailer Brake Controller Battery Feed
Vehicle Stop Lamp Switch to Brake Controller Input
Brake Controller Ground
Brake Controller Illumination
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Sunday, July 18th, 2010 AT 1:01 PM