Category Archives: Tech Tips

260Z Air Dam and Front Bumper

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Posted in 260Z, Tech Tips | Tagged , | 2 Comments

Hazard Switch – Brake Light – Turn Signal Circuit Analysis

Boy, did I bite off a lot with this one. However, these three circuits all come together at the Hazard Switch, so I chose to take on the challenge and analyze them all at once. I used the 72 FSM … Continue reading

Posted in 240Z, Electrical, Tech Tips | 30 Comments

Early Hazard Switch

Well, after repairing my friend’s turn signal switch a month ago, he re-installed the switch, but his turn signals still didn’t work. I used a meter to check for voltage coming into the switch and found none. I checked the … Continue reading

Posted in 240Z, Electrical, Tech Tips | 5 Comments

Fixing the Door Latch

When I first got the 260Z, one of the things I had to deal with was the previous owner’s installation of remote door locks. This was his fix for the door wanting to lock any time he closed it. The … Continue reading

Posted in 240Z, 260Z, 280Z, Tech Tips | 1 Comment

Relays Simplified

Relays are simple electromagnetic switches. When energized, the electromagnet pulls on a lever to open or close a set of contacts. Let’s go over some relay terminology: coil – the electromagnet contacts – the parts of the switch that touch … Continue reading

Posted in Electrical, Tech Tips | 4 Comments

Some Electrical Basics and Troubleshooting

Many people are stumped by automotive electrical systems. It really doesn’t have to be very mystifying. I hope to cut through the fog of confusion with this and other posts to help you figure out electrical issues with your early … Continue reading

Posted in 240Z, 260Z, 280Z, Electrical, Tech Tips | 8 Comments

Turn Signal Repair

If you have a first generation Z car, you probably are dealing with turn signal issues. The left side doesn’t work. The right side doesn’t work. Only the back turn signal flashes, etc. I got my hands on a new … Continue reading

Posted in 240Z, 260Z, 280Z, Electrical, Tech Tips | 23 Comments