Electrical
Anything about the electrical system on a Zcar.
3,450 topics in this forum
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Hello all Ever since I bought my Z in August I've had issues with my volt gauge. When the car is off it shows ~12 volts. When I start the car the gauge will hover around 13 but the second I rev the engine it will max out. I had two (2) independent shops test my electrical system and both said that its the gauge. So this past weekend I went to a junkyard and yanked a volt/fuel gauge out of a 77 280z 2+2 and put it in. The volt gauge worked great but the fuel gauge didn't :mad:. So I ended up placing the old one back in the car. Does anyone have any idea what could be wrong. I inspected the volt gauge when I pulled it from my car and everything seemed ok. Any ideas? Jan
Last reply by TomoHawk, -
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Before adjusting my SU float bowl levels yesterday, I disconnected the spark plug wire attached to the coil. While turning the engine over to operate the mech fuel pump I hear a sparking noise coming from the coil. My thoughts at the time were, "gee, that's interesting, I probably don't want to get too close to that". After the bowl's were adjusted, I got in and took the car for a spin. I immediately noticed no tach movement (very little anyway:disappoin). I am guessing my spark was going into the green the wire that leads to the tach. Bummer, that means something in there is toast. So will have to pull this out and get it fixed eventually. From readin other thr…
Last reply by motorman7, -
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.1971 240Z. the keys were not in the ignition. i wiggled the wire to the oil pressure sensor and then the wire that goes directly from the starter to the wire harness melted. i then noticed smoke coming from the back of the ammeter. once the wire to the harness melted i removed the battery, attached a jumper wire and then reattached the battery, imediatly that wire began to smoke. help, i am not knowledgeable at electronics, how may i find a ground. i do know how to use a multimeter and where the cable wire disconnects between the starter and ammeter. am very willing to learn
Last reply by 70 Cam Guy, -
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Has anyone lost their voltage regulator allowing the alternator to run wild charging? Did it toast any of your components? I lost my regulator on the drive to JCCS down highway 5. Turns out it wiped out my week-old Facet fuel pump and yellow top optima. We diagnosed the regulator and battery on the side of the road. I didn't notice the fuel pump until I had time to start diagnosing the problem. It popped the fuse whenever I keyed on (no start). Figured out the relay was not to blame so now I have a new fuel pump installed. While I was working on it today, I installed a ZX alternator and Dave's alternator plug from MSA. As a small review, the conversion plug is well wor…
Last reply by 70 Cam Guy, -
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I had the dash brake light on with the parking brake on or off, it would only get dimmer. I thought the switch had gone bad like everything on this car. Payed $15 for a new switch, replaced the switch and the light would go out when i disengaged the parking brake and come on when i engaged the parking brake. One problem fixed, i thought, today i moved the car and the light is back on, what gives :mad:
Last reply by sblake01, -
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I have been reading tons of posts on here about all the ignition "improvements" one can do to the 240 and 280's. ( I am working on both at the same time-ugh!). In real world application, it seems much of the effort and expense on the 240's is over kill. Is there really a significant gain in going beyond a pertronix and good coil? It is hard for me to believe that one will ever recover the benefits of spending more money on it than that. I could be wrong, have been before, but when I used to fool with SBC's, the only time it might be worth the money is when we were running 9 seconds or less and there was money involved at the finish line, and never on the street. N…
Last reply by 70 Cam Guy, -
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I just replaced wires (ngk) plugs (ngk) dist cap and rotor button. I had a miss so i did an old test i learned back many years ago when i had my 260z. I disconnected on plug wire at a time, with #'s 1-3-4-5-6 the engine would change idle and run rough, straightening out when the wire was reattached. With #2 there was no change, there was a spark at plug and dist. cap. What do you guy's thing ?
Last reply by Pomorza, -
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I just picked up a 71 240z in stock configuration... but it's missing the coil. I'm a newbie to Zs... is this a standard item I can get at the dealer or a parts store? Any reason to look at some upgraded coil? This is going to stay a stock, street car... Thanks, Mark
Last reply by Nigel1943, -
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Ok. So I'm slowly trying to get my Z working. Can someone please explain how to adjust the headlights. At the moment with the normal beams on the lights are pointed way to the left. With high beams they point straight ahead but still a bit to the left. I don't have regular headlights but the H4 conversion ones. Not exactly sure what kind as I bought them with the car. Any help would be great Jan
Last reply by Pomorza, -
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It's on pg. 51 of the VB catalog Z.45 (accessories section) Does anybody know what this is about? It's supposed to connect direct to the battery, has relays for both low- and high-beams, and "OE-style headlight sockets?" no splicing or cutting? Only $30!?? Makes you wonder...
Last reply by hd240z, -
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Basically its not broken, but the mast is. It seems to be a very solid piece and after looking for a while in a dark, i couldnt find a way to take off the broken mast. 1) how do i take it off 2) is it possible to install new 3)how does that happen 4 any1 has spare mast? Thanks
Last reply by Zs-ondabrain, -
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On eBay, you don't see any driving lamps (lights); they're always listed as driving/fog lights. Can anyone explain why? An example: http://cgi.ebay.com/ebaymotors/Hella-Optilux-Rectangular-Driving-Lamps-Fog-Lights-1402_W0QQitemZ170318575682QQcmdZViewItemQQptZMotors_Car_Truck_Parts_Accessories?hash=item27a7c73842 Most items on eBay are HID-simulations with bluish lenses. Are these lamps supposed to be dual-purpose, and can be used as either fog lamps or driving lamps? My take on driving lamps is that they have a fairly narrow projection angle and a brighter beam than fog lamps, and are mounted higher. My goal is to put some driving lamps on the 280Z to augment the h…
Last reply by TomoHawk,
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