Any less it will put a drain on the battery. Do not forget to share and love our reference to help further develop our website. This is a 1977 fuse block, and it is typical of 1970 to 1979. Remove 4 fasteners from top alternator bracket and remove bracket 10. The single wire parallel to the rear body harness is going to the driver's seat belt.
Remove retaining nut and bolt 7. I found a wiring diagram for a 79, is the 1980 the same or does someone know where I can find one? The two wires run into a single eyelet to connect to the alternator. We just links any topics about 1980 Firebird Wiring Diagram to many other sites out there. Troubleshooting electrical problems for ignition switches, lights, and motors can be handled with some basic tips. Just above the radio hole the harness tape ends and wires explode out everywhere. Arrangement of Wiring Through the Firewall Shown below is a car with the maximum number 5 of wiring harnesses coming through the firewall.
Shown is a 1980 car. There is the plug that goes in the top and it has 2 wires taped around it. The ground lug doesn't show clearly in this photo, but I think it's the wire running off the top of the picture. All routing of the harnesses should be in the same layout as those you remove. For example, the circuit that runs from the ignition switch to the relay actuates the relay, which connects the battery power to the device.
It is important to check the mechanical component for proper operation before trying to diagnose a wiring harness problem. Here's the tail light wiring harness for '78. Remove coolant overflow bottle 8. The plug for the instruments will physically fit the wrong instrument cluster, but there's hardly a wire on it that'll be in the right place. Disconnect coolant level sensor and bottom hose from coolant overflow bottle 6. Fuses do not fail without a reason. Depending on where your Firebird has spent the majority of its life, the condition of your harness can vary wildly.
If you did not have either of these options, the tray would be empty to the right of the steering column. I hate things you cant take apart and see what is wrong. Use this manual to help you disassemble or reassemble parts of your car, and or to help identify parts that may be missing or incorrect. Remove 2 top power steering reservoir bolts and position reservoir out of the way 5. The harness is grounded to the metal frame of the dash pad at the bottom left, which in turn is grounded where it bolts to the body on the lower corners.
There may be a separate ground wire or it may be grounded to the body. Note the configuration for the cruise control switch. Several of the important parts are labeled. It's not the ideal ground path. Keep in mind that you need to be careful when working around a lead-acid battery. The Tailights stopped working once I got my ls2 swap on it Double-check all the usual things, bulbs, plugs and fuses. This loose leaf book of unbound pages is 3 hole-punched for your 3-ring binder.
You could also run wires from the battery to check the function of the component. And always wear proper eye protection! Often the main wiring needs to be replaced. This harness had only 7 circuits in it. This book will answer so many questions and save you hours of time. And in that process we've learned a thing or two. Remove attachment bolts and alternator from vehicle 11.
. The purpose is to get the throttle closed immediately. Drain radiator coolant until coolant has drained from overflow bottle 3. Also note the ground wire bolted to the dash pad. In addition to the obvious dimmer, headlight and wiper switches, this part of the harness has connections to the rear window purple in 1980 , driver's seat belt reel switch black , and driver's door jamb switch next to the courtesy lamp.