1979 Trans Am Starter Wiring Diagram » Wiring Diagram

Four of the five parts of the basic wiring harness are joined at the firewall, forming the fuse block. This figure shows the interior side. The gang of wires plugged in on the right is the body harness, which feeds the taillights. Pontiac called this connector a "harmonica". This is a 1977 fuse block, and it is typical of 1970 to 1979. The 1980 fuse block was totally different and used blade.. Pontiac Firebird & Trans Am Firebird, Formula and Trans Am models all use the same diagram. Each year diagram is unique to that year (except 70/71 which is the same) All diagrams include the complete basic car (interior and exterior lights, engine bay, starter, ignition and charging systems, gauges, under dash harness, rear clip, etc).

The electrical system in your Firebird is the key to making the mechanical components operate at their best. Like the rest of your Firebird, the electrical system has aged over the course of three or more decades. Electrical wiring, terminals, gauges, interior lights, relays, and any number of the electrical components have been subjected to the ravages of time and, in some cases, the elements.. Wiring Diagram for 78 TA Radio 77-81 Firebird & Trans Am TECH