Electrical
Anything about the electrical system on a Zcar.
3,439 topics in this forum
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- 18 replies
- 4.3k views
Attached are some pics of my 1st prototype 3rd brake light. I figure trucks and SUV's won't easily see my brake lights below their hood line. The housing is polycarbonate made on a 3D printer. I tried to mimic a vinyl surface finish by dabbing the wet paint with a paper towel. It uses 12 red, high intensity LED's, (3300 mcd, 25 degree). To limit current and save the LED's I used a 150 ohm resistor for each block of six LED's. In the pics I show the light temporarily mounted using double sided tape. It appears to be bright enough in daylight powered w/ a 12 VDC battery charger. The housing shape is a bit crude / "blocky", so I've decided to design a new ho…
Last reply by cygnusx1, -
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- 11 replies
- 2.1k views
Can anyone post a picture of what their stock wiring looks like near the battery, My PO went Frankenstein under there and i am having electrical issues. I replaced the alternator a few months back because the car wouldn't start. The volt meter in car rode right above 12 while driving, after replacing the alternator it was way past the 16. about 2 months ago the car started getting harder to start and the volt meter riding back down near the 12 then it died on me. I replaced the battery and then back past 16. Now same symptoms again, Very dim headlights while driving, gauges are very dim as well, meter is nearing the 12, and it turns over for a while before starting.
Last reply by OhDearAudrey, -
- 1 reply
- 980 views
While trying sort out issues with the Parking Lights and Side Markers on my 12/70 Series 1, I discovered that the wiring harness that connects those parts is in really bad shape. Insulation is torn, wires and frayed, and one of the side markers does not have connector at all. I took a look at the harness from my ’73 parts car, and it is in very good condition, but I’m not in a position to rewire the entire car at this time, which is what I would have to do since there are harness is a single run without a connector to simply switch out. I am considering surgery by cutting harnesses on both the ’70 S1, and the ’73 parts car, where they come through the front rad…
Last reply by kenz240z, -
Ignition Key 1 2
by AZMarty- 17 replies
- 7.8k views
I have a 1975 280Z Coupe. The ignition switch works just fine, but the key (original well-worn Datsun key) can be easily removed in any position. Anyone have any ideas about how to get the key to lock in place in the on and start positions?
Last reply by Mike B, -
- 7 replies
- 2.2k views
The ammeter on my '73 swings wildly on startup and above idle it appears to be charging almost to the max, even with a fully charged battery. It didn't do this before I installed Dave's PLH, HLH and installed a 60 amp alternator with the ZXT plug. I also installed an Alpine PDX F4 100 watt/channel amp at the same time, so I don't know which mod may have affected the ammeter reading. The car runs fine. Should I be concerned about this?
Last reply by pbarcher, -
- 1 reply
- 1.1k views
A big thanks to silverstreak for dropping off his '73 240Z track car for me to use as a comparison model while I tracked down all of the underdash wiring. The center of his dash is a bit hacked as he has no need for radio hookup but for the most part this help was invaluable. Thanks Bill! You're the best!
Last reply by Mike B, -
- 7 replies
- 3.4k views
So, I won this thing off eBay for $53 shipped and was hoping to use it to upgrade my '72 240Z to electronic ignition and a MUCH hotter spark. It's supposedly off an '81, so I expected an E12-92 module, but to my delight, it came with an E12-80. It also turns smoothly and the vacuum advance seems to work. Besides the E12-80, the other thing that the page I've been using as reference on datsunzgarage.com (http://datsunzgarage.com/engine/index.htm) says that I need is an L28 Distributor Base. It says that MSA used to sell them, but of course, I don't see em anywhere. Here's what I have and I'm hoping the piece on the bottom of the Dizzy is what I need to mount it. Is th…
Last reply by timhypo, -
- 12 replies
- 2.7k views
I was stranded on Wednesday night with a weak battery. Fortunately I was only a few miles from home and my wife brought me some cables and we jumped it and made it home. My car is stock with all stock electronics, no add ons. Symptoms: Car started right up when I started my milk run Noticed that the ammeter was hanging below the centerline when I turned on parking lights; was sitting right in the center before. Tested battery when I got home: 9.78 volts (actually MM said -9.78. Not sure whats up with that) Charged battery for 4 hours then tested voltage: 12.87 volts Car started right up, tested voltage with car idling at 1500, all electronics off: 12.42 volts Swappe…
Last reply by JohnnyO, -
- 10 replies
- 3.2k views
Hi all, I ordered some nice looking watertight electrical connectors from this company almost 2 weeks ago and have received nothing. Order status says only "order received," with no mention of shipping. I've tried emailing, with no response. I looked up their telephone number (not on their website) and tried calling. All I can do is to leave a message, which doesn't get returned. I hit the web to see if there were warnings about this company. Indeed, others have ordered things that weren't shipped and were unable to communicate. I suspect I'll need to contest charges through my credit card company and find another connector. I'm in part posting this as a warning. I'…
Last reply by Jehannum, -
- 8 replies
- 1.9k views
On my most recent trip to Canada, I took some time to wander through the automotive section of Canadian Tire. They carried multiple wire butt connectors (example here) to allow you to branch a circuit. There are a couple of places in the wiring of a Z where you might need such a product if you ever have to do wiring repairs. While you can buy them in quantity online, unless you do a TON of electrical wiring, you'll never go through all of them. So to all of our Canadian members, what parts stores in the GTA might also have some interesting parts that I can look for in my next trip? I'll probably be up near Vaughan in a week or two. Steve
Last reply by Sailor Bob, -
Wiring Upgrades 1 2
by Rich1- 14 replies
- 3.1k views
What are the best wiring upgrades for a 240Z? MSA currently has these upgrades as part of their sale: Headlight Relay Upgrade Harness, Side Maker Conversion, and Parking Light Upgrade Harness. Which is the most essential of these 3? Or is it just best to get them all? Thanks
Last reply by Arne, -
- 1 reply
- 960 views
Does anyone know where I can find a fuel pump control relay for a '78 Z. I can't seem to find one anywhere, the only relays that I find are just the small fuel pump relay not the large one.
Last reply by Bruce Palmer,
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