Electrical
Anything about the electrical system on a Zcar.
3,454 topics in this forum
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- 8 replies
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So I've been trying to wire this new Mallory Unilite into my customers 75 280Z and I'm a bit confused as I'm finding conflicting information. Along with the Mallory I'm also upgrading to the Crane PS20 coil. Motorsport Auto says to retain the factory ballast with this coil. I did some quick checking and it doesn't appear that any of the posts on the factory ballast get less than 12V with the key in the on position. Am I wrong on this? Also I've read that you must run a ballast that drops the voltage down to the 6-8V range to keep from frying the module on the Mallory...so how do I make this work with a stock ballast that doesn't seem to be cutting the voltage? My new…
Last reply by RPM Resto & Custom, -
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Im trying to rewire my brake light and wipers. The fuse block for the wipers is melted on that fuse. Wondering if the relay or motor is more commonly the suspect. Its the the right side of the fuse that is melted. Fuse intact of course. And where might that little relay be located?
Last reply by Quinn'Z, -
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Hello everyone. I just joined this site. I own and operate a restoration shop in central NJ and do a lot of work for members of the NJ Z Club. I ran into an issue today that I'm not sure how to remedy if it's even possible. I have a customer's 75 280 here that I installed a warmed over engine into last winter along with restoring everything visually. He has it back to upgrade the fuel and ignition systems a bit. I ordered up a new coil, the Crane XR3000, and Mallory Unilite distributor for the car and was getting ready to install them today. However there don't seem to be any brackets in the XR3000 kit that will install the correct optical trigger in place of the st…
Last reply by RPM Resto & Custom, -
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Just got Pertronix Ignitor 1761 and try to install onto my '72 240z factory dizzy. I try to follow other thread "Pertronix Ignitor 1761 install and coil evaluation", but when I open up my dizzy, it looks different from 280zx dizzy. I could not figure out which wire I should remove. Could someone give me an advice? Thanks, tamo3
Last reply by tamo3, -
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Anyone have a junk harness that they wouldn't mind chopping a little more? I'm in need of a nice ignition switch plug with about 6 - 8 inches of wire on it. If you can help me, please give me a pm/shout/email. Thanks much, Bryan Dat240zg 240Z #248
Last reply by SteveJ, -
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There was a thread sometime back on cold start troubles and whether it was carb or electrical etc etc. My 73 240z has gotten harder and harder to start when cold. Cold is a relative item here, south of the Mason-Dixon line, it has only been below freezing a couple times this year. Nonetheless I went out to drive the z yesterday and it would not fire off. It would start to fire, but would not catch. Finally, I had killed the battery and quit, got into the 1980 TR8 and went to work. I got new SU's from z-therapy last summer and they have been, otherwise, great. I redid points plugs, wires, condensor, etc last fall. The only virgin thing in the car from when I bought …
Last reply by jaltman, -
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Hi all. I've recently got my hands on a 1970 240z 10/70 build date. Its missing the hazard flasher switch. Does anyone know the wiring for the flasher switch so I can try and make one or know if I can adapt a later one to fit? Also trying to work out the heater blower wiring, mines been slightly butchered when fitting a stereo at some point and A/C, has anyone a decent wiring diagram for the above? I've looked through haynes but it doesn't seem to line up. Thanks all.
Last reply by Jason240z, -
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When I broke my car down there was a rubber cap on the rear of one of my headlight bulbs but not the other. It was between the plug and the light with the 3 prongs going through it to form a nice seal and protect the prongs from water. I can not find one of these at any auto parts store or at MSA or Black Dragon. I know other cars use these so I don't think it is a Z specific part but could someone steer me in the right direction?
Last reply by KAL7467, -
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Hi, I just got '72 240z with rounded SU carb. Since cold start takes time, I also got new MSD Blaster 2 coil 8203. After installed this coil, idling get unstable. I'm new to 240z and still studying SU carb setting. Before, the factory original coil, it takes time to start up engine, but idling was stable. Do I need to upgrade distributor also? or can I just adjust SU carb setting to make idling stable? Thanks for your help in advance!
Last reply by tamo3, -
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I know this has been gone over before. When I fist got my Z the P.O. had removed the whole relay bracket and fusible links and scabbed in some maxi fuse connectors. Since, I have found the relay bracket and repaired some of the wiring and installed a maxi fuse distribution block, but it's a Micky mouse unit from shucks. It not designed to handle the amps. I am looking for a new one but I cannot seem to find an appropriate one anywhere. it would be nice to find one that has a weather tight cover. Any ideas?
Last reply by grantf, -
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On my '73, in putting my left rear side lamp (running lamp) back on, I noticed 2 extra wires in the same area. One is white and the other is white with a black stripe. I can't remember which was male and female, but does anyone know what they were provisioned for? I was not able to see anything on the wiring diagram, but the wires are definitely part of the original harness. Thanks.
Last reply by Casey_z, -
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...Does anyone have a diagram of these mapped out, as to which terminal does what? I'm talking about the two big plastic plugs by the transmission tunnel/firewall in the passenger's footwell. I don't even know how to begin searching for them or what they're really called... Each has two rows of about five pins each, I can provide a pic if needed. My temp. and oil pressure gauges quit working, someone told me to check these connectors and clean them out with contact cleaner and a brush... Well, one of the connectors was pristine, the other more or less is disintegrated. So I'm wondering if anyone can direct me to what the function of each of the plugs is, so I can figure o…
Last reply by grantf,
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