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Where Does White Wire Install On 7-Way Round RV Style Trailer Connector  

Updated 03/24/2026 | Published 03/20/2026

Question:

where dose the white wire go on the male end

0

Expert Reply:

Hey Tom! The white wire (assuming this is the ground wire) installs at the 5 o'clock position on the 7-Way Round RV Style Trailer Connector # A7WCB See the attached photos.

What kind of trailer are you wiring up right now?

expert reply by:
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Robin H
7-Way Connector
7-Way Connector
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7-Way Connector
7-Way Connector
(click to enlarge)
Jerry profile picture

Jerry

3/24/2026

The 7 pin plug was great, it saved me a lot of money vs. a whole new wire harness. My first attempt to match up wire configuration as suggested in a diagram I found on google did not work for my trailer. My 2nd attempt, I used a test light to identify my right and left signal on my truck, then rotated the plug to correspond. The results worked like a champ I am totally happy with the new plug, it secures better in my bumper plug receiver. Better product than what was previously installed

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