Contact with ground can be interrupted by the horn button. Grounding the BLACK WIRE will trigger the horn relay in the vehicle to sound the horn. to the vehicle's wiring or other components may occur. put together a short video outlining what you’ll find when it comes time to make the “connection. You may be concerned that you could wire up something wrong, and that’s why our friends at ididit, Inc. Wiring up your new steering column can seem like a terrifying task. Includes: ignition connector turn signal. The supplied GM color-coded wires are 12" long, so you'll have plenty of room to splice to your harness. It can be used to replace damaged or worn plugs. This kit is used to make the connection from the wiring harness to GM and Ididit columns. Steering column pigtail kit lets you use factory-type connectors on your key-switch-equipped GM-style column. It's a very common problem on GM cars and trucks. If you don't want to tackle taking the column apart and trying to piece it back together, just find a used steering column assembly. The pins in the steering column have either pushed out or worked loose under the plastic covers. Wiring diagram for the ignition system on a Chevy 1985 truck. This makes knowing where to check connections. Eliminate each portion of the diagram in sections until you find the short in the wiring. Trace the wiring till you can see where a short may have taken place. Highlight the individual circuit using a different color for positive and negative. First, find the problem area on the wiring diagram.