Electrical
Anything about the electrical system on a Zcar.
3,454 topics in this forum
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- 6 replies
- 1.6k views
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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- 1 reply
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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, -
- 10 replies
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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, -
- 1 reply
- 1.1k views
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, -
- 9 replies
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I am not sure if anyone else has had this confusion. But, I thought I would share. And maybe someone can set me straight as to why in the world anyone would do this. In the Haynes manual, the distributor firing order is illustrated in a silly way, although it is correct. The plugs are listed along the bottom as 5-6-3-2-4-1. The lines are connect to the correct positions on the distributor. But, this is confusing because the firing order is actually 1-5-3-6-2-4. So, it is just one off of the actual order. The diagram has the lines from the 6 and 3 plug crossing for some reason. It seems to me that if you just drew the lines straight down, you would read the correct…
Last reply by TomoHawk, -
- 15 replies
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Hey all i'm ditching the whole smog thing and i heard that with the FI comp if the i still have the O2 sensors hooked up but not taking exhaust readings that mjy car wont run right at all. Is there any truth to this? and if so does anyone know a way to remove the whole wiring and stuff for the O2 sensors or should i just cut them right off from the exposed wiring? thanks
Last reply by sblake01, -
- 4 replies
- 1.6k views
the tail lights on my 77 magically started burning in the middle of the night (ignition off - keys in my pocket) a while back and now I have no fuel gauge or dash lights. Is there a module or something that is bad or is this just a major wiring short in 30 year old harness? Thanks! Any body wanna buy a piece of junk z in the Columbus Ohio area with a stong engine and 5 speed?
Last reply by sblake01, -
- 11 replies
- 1.9k views
I have a 72 240,new battery,alternator,voltage regulator.Car is overcharging, also when brake lights are on or I turn on blinkers,needle pegs the gauge.Any ideas?
Last reply by SteveJ, -
- 2 replies
- 1.2k views
Is the key-in switch (for the theft -deterrent sfeature) part of the ignition switch assembly, or can it be serviced or replaced separately? My buzzer for the key-in doesn't seem to go off lately. The problem might also be from a bad door switch but I will probably want to install a new one first. thxZ
Last reply by TomoHawk, -
240z Alternator 1 2 3
by red_dog007- 27 replies
- 6.8k views
So, is there any pros or cons to using a stronger Alternator? Are the 280's a direct swap? If I do decide to run a stronger alternator, does anything else have to be changed out?
Last reply by Zs-ondabrain, -
- 4 replies
- 1.3k views
Removing the FI harness after an engine fire but have some questions. At the firewall in the engine bay the massive harness splits off twice, once to the dropping resistors (removing) and agin with 2 wires that go to the batt neg and pos cables, do I have to seperate those from the harness and keep them or do they go also. And I assume that the only thing under the dash that goes is the big plug to the ecu? At the same time it looks like the only other wiring affected (melted) is the wire to the temp sensor in the thermo housing and the wire to the brake proportioning valve sensor, are ther anything special about these wires? Thanks in advance guys!
Last reply by TBK1, -
- 9 replies
- 1.9k views
I was out driving today (a minor success in itself), and I noticed that the ammeter rises with engine rpm. Additionally, the headlights get somewhat brighter and the period of directional blinking varies, which leads me to believe that the amps are indeed increasing (as opposed to a gauge issue). Should I suspect the alternator or does the voltage regulator control the amperage as well? Is this even a problem? Thanks.
Last reply by Zs-ondabrain,
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