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Trailer Wiring Connectors

Trailer end, 7 way connector   Car end, 7 way trailer connector

Seven-way Trailer Wiring

Pre-assembled wiring with 7-way RV trailer connections. The trailer end (shown at left) features a cable length of 8' comprised of 10 gauge black and white copper wire, 12 gauge blue and 14 gauge red, green, yellow, and brown. Part #558510 has a removable (replaceable) connector. Part #55-8587 has the connector permanently molded to the cable.

Wiring for the car end comes with 4' cable (part #55-8533) or 7' cable (part #55-8678). The connectors are permanently molded to the cable. Metal mounting bracket (part #55-8504) is not included and sold separately.

These connectors use the following color code and recommended wire size:

White Ground 10 gauge
Blue Trailer Brakes 12 gauge
Green Tail, Licence and Running Lights 14 gauge
Black Trailer Battery Charge 10 gauge
Red Stop and Left Turn Signal 14 gauge
Brown Stop and Right Turn Signal 14 gauge
Yellow Auxiliary, usually Back-up Lights 14 gauge

**Check all circuits before operating vehicle.

Trailer Wiring Connectors - How to Order:

Please order online below. For questions or phone ordering, our telephone lines ( Toll Free 1-800-755-4775 ) are Open 7am to 7:30pm Mon-Fri, 9am-4pm Sat, (Central Time) Sale Prices Shown are Valid Until 04/28/17.

Complete Parts Catalog Hitches, Brake Controls Index Shipping Info Return Policy About PPL
Stock # Item Description Price Qty Order
Items Presented Above
55-8510 TRAILER CABLE W/7-WAY CONNECTOR, REPLACEABLE - 8FT CORD...Regularly $68.20  On Sale for Only $28.37
Manufacturer #s: 92-8143, 14-117
55-8533 TRAILER CABLE W/7-WAY SEALED CAR END CONNECTOR - 4FT CORD...Regularly $50.29  On Sale for Only $25.95
Manufacturer #s: 19-1120, 50-87-004
55-8587 TRAILER CABLE W/7-WAY CONNECTOR, MOLDED - 8FT CORD...Regularly $46.49  On Sale for Only $38.49
Manufacturer #s: 50-67-003, 19-0909
55-8678 TRAILER CABLE W/7-WAY CAR END, MOLDED - 7FT CORD...Regularly $44.29  On Sale for Only $30.80
Manufacturer #s: 50-78-007, 19-0916, 50-87-007
Links to Related Items( Click on Description for Pictures & More Info )
55-8511 TRAILER CONNECTOR - 7-WAY CAR & TRAILER ENDS...Regularly $13.79  On Sale for Only $9.85
Manufacturer #s: 12-705, 95-3467
55-8512 TRAILER CONNECTORS - 7WAY PLASTIC - CAR END...Regularly $7.01  On Sale for Only $5.01
Manufacturer #s: 12-707, 19-0902
55-8513 TRAILER CONNECTOR - 7WAY PLASTIC - TRAILER END...Regularly $21.00  On Sale for Only $4.33
Manufacturer #s: 12-706, E7BARG, 19-0901


PPL's RV Parts Superstore stocks popular products for immediate delivery. Also, we can quickly deliver almost any item from our warehouses located throughout the United States. We will work hard to help you obtain the products and parts that you need. Our Sale Prices are limited to in-stock quantities for some items.

Click on this link to return to Trailer Wiring & Electrical plus an index of links to many additional Hitches, Brake Controllers & Sway Control. PPL's RV Parts Superstore has 1000's of RV Parts and Accessories for sale.  If you do not find the item you are looking for, please call us at 1-800-755-4775 .

9 steps booklet Selling Your RV?  Use the button to the left to request the free no-obligation booklet "9 Steps to Selling Your RV....Avoid Common Mistakes". These tips and "no-nos" could save you 1000's  of dollars and help you avoid common mistakes in selling your RV.

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Telephone Order Lines are open from 7am to 7:30pm Mon-Fri, 9am to 4pm Sat, Central Time
See Below for Hours of All other Services

PPL's RV Parts Superstore - Houston
10777 Southwest Freeway
Houston, Texas 77074

PPL's RV Parts Superstore - Dallas/Ft. Worth
2408 N Main St.
Cleburne, Texas 76033

Hours: 8:30am-5:30pm CST Mon-Fri
9:00am-4:00pm CST Saturday

Toll Free: 1-800-755-4775

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