Determining Function of Blue Wire on Trailer 4-Way
Updated 11/12/2018 | Published 11/11/2018 >
Question:
4 way plug on 1992 Dodge Dakota has a blue wire what is that for. Pickup connector is a 4way has blue, brown, yelliw and green.
asked by: Patricia M
1
Helpful Expert Reply:
Normally blue isn't a color seen on 4-way trailer wiring, but based on the other colors you have it most likely is ground. Reason being brown is normally taillight, yellow is normally left turn/stop, and green is normally right turn/stop. Usually ground is white though.
expert reply by:
Jameson C
1
Product Page this Question was Asked From
16 Gauge, 4 Conductor Bonded Parallel Wire - Per Foot
- Wiring
- Wire
- Bonded Wire
- 4 Wire
- 16 Gauge
- Deka
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