Electrical
Anything about the electrical system on a Zcar.
3,450 topics in this forum
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So, i was pulling the plug wires on my 280z today, and i noticed something odd. the number 2 sounded like it was sparking twice as much as the rest at first, i thought it was my ears, so i let it arc onto some metal, sure enough, it was sparking double rate what the rest were so if it would be like this 1 2 3 spark, 1 2 3 spark it would go 1 spark 3 spark 1 spark 3 spark something like that what the hell's goin on here???
Last reply by Nissanman, -
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I am most difinetly a novice here on the internal combustion engine. I can can swap parts with the best of 'em, but don't know much about the technical issues. I bought a dwell meter and timing light in hopes of learning to use them on my Z. I do have a couple of issues though. First, should I be testing dwell at a specific RPM? I can only get it up to about 33 on the meter, and that is with almost closing the points. I think my car is idling around 700 to 800. The meter says it is about 500. Secondly, There is the plate with the timing marks on front of engine. I have been loosening the 5/16, or is it 8mm bolt on the bottom of the dizzy to adjust time. What is the …
Last reply by Carl Beck, -
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Is it normal for my wipers to make an extra stroke after I turn the switch to off? It makes a slow, loud, chattering(the motor, not the blade) stroke after I turn off my wipers or on its last stroke when using the windshield spray. The wipers work and sound fine otherwise.
Last reply by Linkstar07, -
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This may sound dumb, but I notice that when I turn the elliptical adjusting screw to set the point gap, the whole point set will sometimes move. When that happens, a spring near the vacuum advance pops the lever up. When that lever is in the down position, I get no spark through the distributor, but I can't seem to get the dwell angle or the gap right when the lever is down. My shop manual is mum on this. What's happening??
Last reply by dfirestone, -
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I'm not getting 12V at the electric fuel pump of my 73 240Z. I'm trying to find the fuel pump wiring/relay under the dash. Anybody know where it is, what it looks like, etc.?
Last reply by Weasel73240Z, -
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Does any one have a better wiring diagram then the factory, and haynes manuals?
Last reply by EScanlon, -
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I am looking for information/ advice on the headlight switch. I have had this 240 for a couple of years now with only one electrical problem until this latest puff of smoke from the headlight switch. I made the H-4 headlight conversion a couple of months ago and have driven at night very little. I wonder if I went too"hot" with the 130/110 H-4 "racing" bulb? or is the switch in need of repair/ replacement. I pulled the colum covers off and felt as the hot supply (white with red stripe) wire got hot at the switch connection when the headlights are turned on. High or low, it did not matter. Anyone had this problem? The wire seemed to stay cool enough with the heat being gen…
Last reply by Neal G, -
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Well I finally got my car on the road and got it inspected yesterday. I my way back i stopped by whataburger and smoke started coming from my fuse box. I found out that the right prong on the stop light had started to melt. Today i went and removed a old stereo that didn't work and the associated wires. I also removed a hitch wireing harness that had been attached to the rear brake lights. I made sure that what ever was grounded stayed that way. Went through the fuse box to make sure the right fuses where in the right place. Once i add a fuse it still continues to heat when ever i press the brake pedal. It heats up pretty fast too about 5-10 seconds.
Last reply by nismospek, -
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Hi all -- I'm new to the forum and trying to get my 71 Z-car running right again. In tuning it up, I installed new points but now can't get the timing anywhere near right. Turning the dizzy as far as I can, I'm still 10-15 degrees after TDC. The dwell angle shows to be correct (35-41 d egrees per my shop manual). Any ideas??? Thanks!
Last reply by hd240z, -
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Hi all, I need assistance with a couple of digital pictures of the ignition coil and where each wire goes to. I am trying to remove all of the added wiring that the previous owner had. I am also trying to troubleshoot a spark problem. Any help is appreciated. 1973 240z - Los Angeles
Last reply by Weasel73240Z, -
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Hey Guys, I'm trying to install the factory radio on my 1973 Z but can't figure out the wiring. I'm assuming the PO could have made some changes so here's what I got so far. Coming out of the radio I have the following: Blue wire...........? Gray.................speaker? Gray/Blue..........speaker? Red..................? Coming out of my car I have the following: Yellow with 1A..............? Blue with 5A.................? Black...........................Ground? L and R speakers............To Gray and Gray/Blue from Radio? When I connect the ground to the radio, the Blue 5A to the Blue radio wire, and the Yellow 1A to the Red the radio comes on.....and stays …
Last reply by mally002, -
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I have a 1976 280z and I had to run a new wire to my starter solenoid to get it started. I think my problem is the interlock relay but I can't find it. Does anyone know where it is?
Last reply by sblake01,
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