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-   -   Rheostat or another Short? (http://forums.pelicanparts.com/showthread.php?t=633515)

Tom's 87 928 S4 10-07-2011 08:24 AM

Rheostat or another Short?
 
I have fuse #44 that keeps blowing, and no dash lights, so I removed the two connectors to the rheostat wheel linking them with a jumper but still blowing the fuse, and I also replaced the headlight switch because the fuse was blowing without the key in the ignition, and whenever I was turning the headlight switch on. Now, I put the two connectors back on the rheostat wheel, and the fuse does not blow until I turn the wheel to the brightest location.

Do I need a new rheostat wheel, or is the short somewhere else?

Thanks guys

MPDano 10-07-2011 09:11 AM

Quote:

Originally Posted by Tom's 87 928 S4 (Post 6297458)
I have fuse #44 that keeps blowing, and no dash lights, so I removed the two connectors to the rheostat wheel linking them with a jumper but still blowing the fuse, and I also replaced the headlight switch because the fuse was blowing without the key in the ignition, and whenever I was turning the headlight switch on. Now, I put the two connectors back on the rheostat wheel, and the fuse does not blow until I turn the wheel to the brightest location.

Do I need a new rheostat wheel, or is the short somewhere else?

Thanks guys

You have another short somewhere. I have both my 928's jumped at the connectors and never blew a fuse. Did you ever have the Pod out? If so, remove and inspect. Sometimes, just re-fitting can cinch down on wires, especially when you start tightening the bolts down. Also, are you sure the fuse you are using is the correct amperage?

Tom's 87 928 S4 10-07-2011 09:24 AM

Thanks for the reply MPDano. The PO had the pod out to fix the speedo, but it was working fine until I let the car sit for a week. I checked the interior light above the rearview mirror, and I am using the 5 amp fuse. I guess I will have to take the pod down anyway because the speedo is only working intermittently. The dash lights were dim before the fuse started blowing, and maybe I did something when I moved the pod up and down.

MPDano 10-07-2011 09:37 AM

I'm now pretty confident you'll find your issue in the POD area now. Look for mashed wires or harness. I had my AC Guy mash some wires next to the Expansion Valve when he replaced it. Everytime I used my Wipers, it would blow a fuse. Traced it back to the last area worked on and there it was. Hope this helps.

Tom's 87 928 S4 10-07-2011 09:51 AM

It's funny you say that because I just had my A/C worked on in June, but it did not blow any fuses until this week. Strange. I did move my pod up and down to show my girlfriend last weekend. Maybe I did it then.

MPDano 10-07-2011 09:55 AM

Quote:

Originally Posted by Tom's 87 928 S4 (Post 6297654)
...I did move my pod up and down to show my girlfriend last weekend.

Tom, that's a little too much info for our young minds ;)

Pete R 10-07-2011 10:05 AM

lol

Tom's 87 928 S4 10-07-2011 10:30 AM

Lol, I was proud to show her this supercar with all of it's advances in technology for it's time, and then it popped a fuse!

Thanks MPDano!


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