What wires on the Adapter 4 Pole to 7-Way and 4 Pole are Used for What Functions
Question:
I assume the blue wire is for the trailer brake. What is the black wire used for and the yellow wire used for?
asked by: David
0
Expert Reply:
You are right the blue wire is usually for electric trailer brakes and runs to the blue wire on the brake controller. In some cases the blue wire is wired to the backup light circuit to disengage hydraulic surge brakes when backing. The black wire is normally used for accessory power and the yellow wire is auxiliary power that is used to charge the battery.
expert reply by:
Robert G
0
Product Page this Question was Asked From
Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector
- Trailer Wiring
- Wiring Adapters
- Single-Function Adapter
- 0 - 5 Feet Long
- 4 Flat
- Plug and Lead
- 7 Round - Blade
- Tow Ready
more information >
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