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Found 3 results

  1. So the electrical saga continues with my z... I have a 1978 280z and it recently developed a tendency to turn itself off when I'm driving. It started with it just turning off when shifting into reverse but has evolved into turning off with the right blinker once (I could hear the a relay in the passenger foot well clicking on and off with the blinker) and also just randomly while driving. Today it died in my neighborhood before i could leave and wouldn't turn back on until I jiggled the main wiring harness around. Because of all of this I suspect two wires shorted together since the turn signals and reverse are on the same circuit and removing the fuse for them fixes the problem but if someone could help me track down where in the harness i should be looking and what wire to the main ignition relay or other relay that would kill the car might cause this.
  2. I have a 77 280z and Ive noticed that if Im cruising anywhere from 50 to 75mph the car Lags or acts like its trying to stall. The car never dies, When it does this the Tach and Speedometer dont show any changes at all, but I can feel it. Kinda like if you were to lightly pressing on and off the gas. Any ideas for me to start looking when it warms up? A Pic of my beauty:
  3. Thought the topic would grab some attention. I've got a 1981 280zx non-turbo, auto tranny, with about 124k miles on it. So for about 3 years now, the car would randomly shut off while I was driving. Didn't matter how fast I was going, what the temperature outside was, the time of day, how much fuel I had, what day of the week it was, what mood I was in... The solution was to just turn it over again and it would start right back up. Usually, I could be doing 70 on the freeway, and it could die, I could put it in neutral and coast while I restarted it. Or I could be sitting at a stoplight and the same thing would happen. Over time, it got progressively worse. It wouldn't immediately start back up, it might take a few tries. Eventually it got to the point where sometimes I couldn't start it back up. I got it towed 3 times, and by the time I got it back to the house... the car would start fine. I could not figure it out... there was no consistency. I replaced the ignition coil, the fuel pump, the fuel filter, spark plugs, spark plug wires, distributor, ignition switches. Nothing helped the problem. After doing all of this, and leaving the ignition switch dangling beneath the steering wheel while driving because I was in the middle of operations... I was driving along, and the car died. I lifted the ignition switch to put my key in to start it, and to my surprise, just by MOVING the switch, the car sprung back to life as if it had never shut off. So I drove around for a year like that... shaking my ignition switch whenever it would die while I was driving. Now... it's worse. Not even that works anymore... immediately. I may have to sit at the side of the road shaking wires beneath my dash for 5-20 minutes hoping that some magic will fix it. And so far, it has... but I predict that the condition is getting worse and soon it won't. Now... onto odd symptoms and things I've noticed. When the car dies, and I attempt to restart it, the starter motor works. There is no spark when it is in the "no-start" condition at the coil. The tachometer does not even jump when the starter is running (it does when it starts correctly.) I have run a wire directly from the BW wire at the ignition switch to the coil, thinking there was a discontinuity in the harness. Did not work. My current theory after running across an unrelated post: the tach might be damaged and is not completing the circuit to the ignition coil... or a wire could be loose. Help? Please?
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