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What is the color code for wiring a harness for a trailer on a 1989 aerostar?
Wiki User
∙ 15y ago
Problem with it is the ground wire wont hold a load on a trailor with more than two lights-----ground it yourself to frame
Wiki User
∙ 15y ago
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How should trailer towing wires from 95 Tahoe be connected to a trailer wiring harness?
Several different types of connectors are available for a 1995 Tahoe wiring harness. The best connector to use is a connector that has an adapter that works on older trailers. Connect the wires according to color as the colors are universal. Follow the instructions that come with the connector.
How does a person gain access to the taillight wiring harness on a 1991 Chevy Blazer 4dr to wire in trailer lights?
most dont come with a wiring harness for trailer but if you look under the driver side of the truck under the bumper you will see a bundle of wires and there should be a paper located on the wires to match up a wiring harness. The ground is a large white wire and hook up other wires color to color. Most wiring harnesses are 4 wire but you should have enough for a 6 wire on the truck but only use 4. I just wired mine up last week!
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Follow the directions for installing a 7-way trailer wiring harness found atwww.etrailer.com/faq-wiring.aspx. I usually don't like do-it-yourself projects, but Advance Auto Parts sells a kit with color-coded wires that made it an easy project.
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Inferior wiring and connectors can impact performance, but cost doesn't always translate to quality. You may find that the harness is inexpensive because of overstock, etc. Any replacement wiring harness should have the same color wiring as the original factory harness.
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Where do you hook the brake light switch wire on a trailer brake controller on a 1998 Chevy pickup with a tow package?
Start from the rear where the factory trailer lights wiring harness is, or from the taillights/brakelights themselves. Follow the wire (I think it should be blue) from the harness or taillights to the wiring harness as it runs to the (driver's side) under hood fuse panel. Again, it should be blue in color. On a Tekonsha brake controller you'll hook the red wire to it anywhere along that wire. Hope that helps. According to http://www.4door.com (This site also has pictures for installation) there are two options for the 1998 Tahoes: The option UY7 trailer harness is for heavy-duty towing applications. A 30-amp fused battery feed wire and auxiliary circuit routes from the cowl-mounted junction block, along the body side rail, to the rear bumper crossmember. The harness for the brake/parking lamps is spliced from the rear lamp harness. The harness is at the rear bumper crossmember. A plastic strap binds the harness. Tape wrapped around the harness prevents short circuits. The 8 wires have the following functions: • Orange -- The 30-amp fused battery feed • Blue -- An auxiliary circuit for electric trailer brakes • Brown -- The taillamps and the license lamps • Light green -- The backup lamps • Dark green -- The right turn signal and the stoplamp • Yellow -- The left turn signal and the stoplamp • White (heavy gage) -- Ground • White (light gage) -- The center high-mounted stop lamp The UY7 option does not include a connector at the end of the harness. A qualified technician must wire the connector following production. # Attach the trailer harness wiring to the trailer • Bending • Binding • Breaking • The harness drags on the ground. # Strap the harness wiring to the vehicle in a manner that allows slack in order to prevent the following conditions: # Secure with tape or straps the trailer portion of the harness to the trailer tongue in order to prevent the harness from dragging on the ground. 4.1. Wrap the harness together. 4.2. Bind the harness with a tie strap in order to avoid damage. 4.3. Store the harness behind the rear bumper on the fuel tank. 4.4. Strap the harness with a band or a tie strap. # Secure the harness when the harness is not in use. The second wiring harness option is the UY1 camper wiring harness. The UY1 harness is under the vehicle. The harness is inside the frame rail. The harness is even with the front of the pickup box on the driver's side. The UY1 harness is for the brake/parking lamps. The harness has an auxiliary power feed. The wires have the following functions: • Dark blue -- A 30-amp fused auxiliary power circuit. The other end of the wire is taped to the wiring near the junction block on the cowl. • Dark green -- The right turn signal and the stoplamp • Light green -- The backup lamps • Yellow -- The left turn signal and the stoplamp • Brown -- The taillamps • White -- Ground # Route the trailer harness wiring between the frame and the bumper, or the camper and the body, in such a manner that slack remains in the harness in order to prevent the following conditings: # • Bending • Binding • Breaking • The harness drags on the ground. # Tape or strap the trailer portion of the harness (if used) to the vehicle in order to prevent the harness from dragging. 3.1. Wrap the harness together. 3.2. Bind the harness with a tie strap in order to prevent damage. # Secure the harness when the wiring is not in use.
