Electrical
Anything about the electrical system on a Zcar.
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I recently took my alternator out and put it back in, but the car will no longer fire. I used starter fluid and confirmed that the engine was sparking at the right time but there was no fuel. I used a noid light to confirm that the injectors are receiving no signal. What would be the most common causes of this issue and how would I check them?
Last reply by Zed Head, -
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Hey. I’ve been having trouble with my battery lately and I decided to have my alternator tested. It came back positive. However, upon bolting it back in, I realized that I did not take a picture of the wiring before it was taken off. I thought I did, but my phone’s camera was delayed and all I got was a blurry shot of the fender. I’ve tried looking for resources to help, but there seems to be next to no information about the wiring of the alternators used on the ‘78 model. I have some stuff figured out, but these last three have me stumped. Could any of you help me out?
Last reply by Zed Head, -
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I'm reinstalling the dash, and checking wiring, connections, etc. I was not getting power to the ACC or IG busses in the fuse panel. I could hear the ignition relay 'click' with the key in the Acc or ON positions, and I could see power from the fusible link getting to the white-red wire at the bottom of the C6 connector. I pulled the dash back enough to back-probe the ignition relay connector, and confirmed that voltage was getting to the ACC and IGN contacts, but was not passing through when the relays were energized. I removed the ignition relay, and further confirmed by testing that both relays would click, but would not pass power through their contacts. Thi…
Last reply by ETI4K, -
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Wanting to get the center gauges lighting to work. Replace the bulbs, by removing the center heating console. Still did not work, have found out that its due to the ground on the socket not being connected correctly. When i touch them on the side of the gauge, they light up. But when installed it doesnt light up. Tried bending the ground on the socket back, with limited success. Figured i need to replace the sockets. Does anyone know where to find sockets, or what to look for? Thanks
Last reply by Roberts280Z, -
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None of the lines in the grid are still functional. I don't expect to need the defogger function, and I'm considering scraping the whole grid off. Has anyone done this - is there any downside? Is the grid somehow partly etched in the glass, and will leave a mark anyhow? If so, I'll just leave it alone.
Last reply by Roberts280Z, -
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Hey guys I just got back home after doing some work on the 260z. When I bought the car it did not have a fan or fan clutch (honestly no idea why), so after I finally got the car running and the brakes and clutch in order my last step was to install a fan, the prices were higher than i expected so I just decided to do a electric fan setup. So I bought a Hayden electric fan relay wiring kit, and a small 12inch fan (with plans on adding a second one soon, I just really want to drive the car. I believed I had everything wired up correctly, relay to ground and positive battery terminal, one wire to ignition coil, one wire to thermostat, and one wire to the fan (fan was grounde…
Last reply by Racer X, -
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So this is an odd one - I opened my engine relay bracket (the one under the black metal cover on the passenger's side) to clean the teeth on the relays and noticed one relay wasn't plugged in and there doesn't seem to be a connector for it on the harness (top middle). Any ideas what's going on here? The car runs as-is but I'm just curious
Last reply by SteveJ, -
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Hi Guys... my 73 240z had a fuel gauge working fine. Last month it went intermittent on me, reading very low, then finally stopped. So I checked the fuel level sending unit and yes, it was leaking from the top connection. I figured this was also why I smelled gas when the tank was about half full. So I bought an OEM replacement sending unit and figured a 30min job to swap it out. I drained the fuel tank, got the old one out without dropping the tank and hooked the new one up. Two days later, dozens of searches and hundreds of pageviews and I still can't get the gauge to read anything. I'm seeing the fuel sending unit reading a low fuel level with an Ohm meter, so t…
Last reply by Captain Obvious, -
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Hey guys, My old alternator failed, so I decided to upgrade the alternator to an 80amp alternator from zcardepot: https://zcardepot.com/products/alternator-high-amp-80-240z-260z-280z . I did some research on how to rewire some of the components to accept the new alternator, and this is all I could come across. He used the same alternator I got for his 240z. Is there anything specific differences between the 240z and 280z that I need to watch out for regarding alternator wiring? I am not sure how I should setup the wiring, besides what I found from that forum post. I figured I would just copy what he did, but any advice would be wonderful so I don't fr…
Last reply by Zed Head, -
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I have recently put a new head gasket on my l28 and after I put it back together it won't start I thought it was the timing chain out a bit but I took the timing cover back off and that all lines up. All I can think of is the distributor because the distributor and the oil pump sharft can both move separately when there out of the engine and I am not sure how to get the distributor back to firing on the 1st cylinder at the right time. Any help will be much obliged
Last reply by Zed Head, -
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Just rolled in anew 71 240 and am looking it over.. what is the green circuit board on the firewall with some black cube plugs???? anyone seen that?? should i leave it out cut it out before trying to start the car?? it has not been started in 13 years.. also this weird 6 prong box on side of car,,, nothing going to it,, any clue on that???
Last reply by grannyknot, -
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I have had a few ask if there is any problem running the 123ignition with the old tachometer. To my knowledge there is no problem. However, if you do need to have your tachometer repaired there are two companies that do the conversions to add modern electronics so they will work with the modern ignitions of today. I had mine repaired in 2006 by JDO in the UK. I can't say enough good about them and their service. They are: http://www.jdo1.com/ and http://www.nisonger.com/ If you have any issues and fixes post them here.
Last reply by rcv,
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