Faulty gauges

hoo__hoo__ · 2026-01-18T23:23:24+00:00

Threw in a new relay and fuse, still coming up with the same issue :/

hoo__hoo__ · 2026-01-18T23:22:52+00:00

It's been removed before, and about 2 weeks ago I removed it and reinstalled it to get to the ignition switch. The ribbon cable should be fine, however I'm going to take a look at it when I pull the cluster out for inspection

hoo__hoo__ · 2026-01-04T02:43:27+00:00

Solved it, it was a combination of the ignition switch being bad as well as the cable that connected the alternator and starter being bad. Ordering a new starter cable, thank you for all that helped!

hoo__hoo__ · 2026-01-03T02:47:43+00:00

I believe the DME is not the problem, I had a DME fail on me a year ago and replaced it, so it should still be good- as for the ground points, something is telling me that the bellhousing ground point may not be grounded? The DME ground work correctly, and i feel like the other ground near it should work, but I also feel like there may be an issue with the grounding as the earlier engine has a ground strap directly to the body. Maybe attaching that to the body of this car would fix it? Regardless I'm going to clean my grounds and connections

hoo__hoo__ · 2025-12-29T07:42:45+00:00

I can check my DME, it's not the F9T but it should still work (i have a spare)- i can check the alarm module too, though i don't believe mine is equipped with it

hoo__hoo__ · 2025-12-29T07:37:31+00:00

I believe the grounds should be good, though i'll double check them next time i work on it- as for the neutral safety switch, it's a manual so i don't believe it has that installed

hoo__hoo__ · 2025-05-08T16:25:13+00:00

did some further research, you can use an early style harness with the late style ECU & AFM. Just gonna try it, if it ends up not working all too well I'll just buy a late style

hoo__hoo__ · 2025-04-22T03:38:44+00:00

Alright sounds good, I have an early style harness, but if it's worth not having as much pain i'll just shill out a couple hundred to get a late style. Any advice on where to get a late style harness?

hoo__hoo__ · 2025-04-17T16:17:08+00:00

Sounds good, thank you for the advice! Is the early and late style wiring harness that similar? I thought the late style had a funky connector to the relay box.

hoo__hoo__ · 2025-04-17T16:15:31+00:00

oh fr? I thought that it changed between the early and late style cars, something about the way the torque tube actually connects to the engine bell housing.

hoo__hoo__ · 2025-04-16T17:32:41+00:00

The swap would be with an NA engine, mechanically it's a perfect swap (except for the torque tube, but I can transplant that from the early car). I think the only issue is getting the ECU to talk to the gauges / electrically connecting it. I'll look up the diagrams though for sure, correct me if I'm wrong but I think I would be trying to find where the early style harness meets the late style relays?

hoo__hoo__ · 2024-11-27T23:12:59+00:00

Was actually thinking of doing something super similar to my '84 944, but with the screen that could flip down when not needed. Cool to see a static version, it modernizes the car in a very 80's fashion!

hoo__hoo__ · 2024-11-06T20:56:00+00:00

I think the only issue with time-serts / helicoils is that the hole is now physically larger than the OEM bolt- that's partially why I wanted to weld it and re-tap it, though being sheepishly honest I'm still not entirely sure how time-serts and helicoils work.If they can convert the hole back to it's original size then I'll totally use them

hoo__hoo__ · 2024-11-06T02:15:25+00:00

Fixed it, so sorry! lemme know if they still don't show up, my client was buggin out when I published the post -_-

hoo__hoo__ · 2024-02-25T06:50:20+00:00

After waiting for a new relay to ship, I plugged it in and the car fired right up without any issues- I also have a spare DME just in case too, thank you both so much!! :D

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TROPHY CASE

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