Electrical
Anything about the electrical system on a Zcar.
3,454 topics in this forum
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Hey guys, I know this has been covered on this forum, but I can't seem to find anything concrete. I have a 260Z with electronic ignition and an MSD Blaster 2 coil. I want to bypass the ballast resistor, and it looks like all I would have to do is take the positive wire off of the ballast and put it on the + side of the coil, and then just remove the - wire going from the ballast to the coil (there's two wires going to the - side of the coil now). Is that right, or am I over-simplifying?
Last reply by overdrivex, -
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Is there a major difference between the wiring harness of early 240Z's versus say a later Carburated model??? I happen to have a spare wiring harness that is newer than the one in my '70 240Z but I have no clue if I'll be able to use it with this car or not. The spare is out of a '73 I believe. Thanks for your replies- Nate
Last reply by ChrisZ, -
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Brought engine up to temperature, and shut it off. Turned ignition back to the 'on' position (running position) and observed the needles for temperature and fuel pulsating up and down in time for each other (without engine running). I can't hear any relays clicking on this, but can't figure out why they'd be pulsating off battery voltage without the engine running (or why the oil pressure gauge would be reading anything without the engine running). They do appear to have the incorrect oil gauge wired in (two-wire gauge) on the oil pressure sensor. In addition, the fuel level gauge turns on, then after about 5 seconds I hear a relay click on the passenger side of the car,…
Last reply by 1oldmotorguy, -
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Hi everyone. Im new here. I have a MSD and its used so I dont know how to hook it up. I have a 240z with 280z engine with the e12-80 distributor I understand the orange and black to coil and the thick wires to battery but what are the white, red,purple and green for? Do I need it and if so where does it go. Thanks everyone for any help I can get.
Last reply by jmortensen, -
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I have just bought a SPAL shaved door handle kit and was wondering if anyone has tried one yet or has any wiring tips on a 77 280Z. The one I have is the 7 channel. I'm just wiring to the doors and the rear hatch.
Last reply by supraman, -
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I installed a 280zx distributor in our L24 a couple years ago and set the initial timing at 8 degrees advanced at idle. For the last few years I have noticed a buzzing at part throttle tip in that sounds like detonation. I also changed the exhaust at the same time and dismissed this as a resonance issue with the aftermarket exhaust and not detonation, dumb mistake in retrospect. I hooked up my innovate wideband o2 sensor to aid in tuning the carbs this last weekend and in the process checked the total advance with my dialback timing light. Holy crap, it showed 48 degrees of total advance in by about 4000 rpm that seems like way to much to me. I ended up backing my initial…
Last reply by Bruce Palmer, -
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What are the chances (if any) that they are likely to go out? I am asking because when i try testing my EFI system wit the ECU plug checking for the continuity for my injectors i come back with none. Unless i am doing it wrong.
Last reply by beebeecivic, -
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Single or double points? Part number? HLS30-01366 01/70 Thanks, John
Last reply by JohnnyO, -
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I have a 78 z and was wondering which wire goes to the negative and which goes to the positive , i have a blue wire and a black wire . I think the person who had it before me switched over and i am confused ps. will this cause my fusible link to blow when they are hooked wrong? thanks in advance
Last reply by Curtis240Z, -
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Trying to wire my 76Z and can't figure out which wire I connect to for the accessory connection. All help is very much appreciated
Last reply by Jeff G 78, -
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I tried searching, and it seems like nobody agrees on what is the correct vacuum source for the distributor advance. I search "vacuum source" and get about 20 posts, and 10 say 1 thing, and 10 say another. I'm running a 1979 E12-80 280ZX dizzy, with my stock L24. New ZTherapys carbs. Should I be connecting my vacuum advance to the small tap behind the front carburetor, or to the balance tube? My FSM is for a 73 240Z, so that isn't helping. Thanks.
Last reply by Arne, -
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My 72 Z has a dual point distributor. It is a pain to maintain in tune and it is very hard now to find good point sets. The fiber block wear very fast and I need to adjust the points every 200 miles. Now I am trying to figure if I have not a distributor problem. The cam lobes are nice, the shaft is tight and doesn't seem to have excessive play. I adjust the points at .020-.022 as per the specs and it is the same on each high point on the lobe. The engine idles fine. Now if I am at a stop light with the foot on the brake (AT) the engine seems to barely miss a bit as if the fire would not be strong enough. I put on neutral and it idles better but I can still perceive the sa…
Last reply by GreenZZZ,
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