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Low voltage reading
#21

You do it from the top, and after removing the negative battery cable and the main power lead at the alternator, there are only two screws holding it in. Reinstallation take some finess. The best way to describe it is, you need to tilt the regulator so the brushes go in first. Then you will need to apply some pressure to compress the brushes so the rest of the regulator seats in squarely. The hard part is getting the screw holes to line up because you are working blind, but persistence pays off.
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#22

I replaced my VR yesterday with a NAPA unit x-referenced from the # on the bosch stock VR. I attempted to fit the new unit into the receiver slot, but one of the @#$&%*( brushes fell off of the clamped terminal wire with spring). Damn it! <img src="/forum/images/smilies/968/ohmy.gif" class="smilie" alt="" />

I now know how to remove the alternator MAF sensor and other extraneous parts. Jack up the car (with jack stands in place). WOW! Porsche is wicked cool! After only working on American cars and Japanese Cars it is an exercise in engineering overkill to work on a Porsche. <img src="/forum/images/smilies/968/rolleyes.gif" class="smilie" alt="" /> Thats a good thing. I found the missing brush inside the alternator housing and after shaking it upside down a few times it fell out. Back to the parts store for a new unit, once on the bench with the new unit I found out why it did not immediatly fit properly. The damn thing is too big! A little grinder work on the (plastic ?) body and it slipped in perfectly! While my alternator was out I checked the cable to the battery and found it had an unsheathed area of ~1" near the connection to the alternator.....not good having hot wires exposed like that. A few wraps of QUALITY electrical tape and it's as good as new. Reinstalled the alternator and buttoned her back up in about 35 minutes. Simple. Now charges at the proper voltage as per my Fluke Ammeter.



Question though, (Flash)? Any Idea why my in dash Voltmeter still pegs out at >18V.? It may indeed be fried, like chicken on the BBQ some summers night with too many beers in the recycle bin. Any Ideas? Cost? or forget it and add an aftermarket meter?



Thanks guys

Ron
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#23

[quote name='Silver BLT' date='Mar 12 2005, 08:54 AM'].......While my alternator was out I checked the cable to the battery and found it had an unsheathed area of ~1" near the connection to the alternator....



Question though, (Flash)?  Any Idea why my in dash Voltmeter still pegs out at >18V.? It may indeed be fried, like chicken on the BBQ some summers night with too many beers in the recycle bin.

[right][post="1769"]<{POST_SNAPBACK}>[/post][/right][/quote]



Yeh mine was like that too. Low voltage overloads the wire with more current and melts the insulation.



If your Fluke says voltage is OK, then your in dash gauge may be indeed dead.



And stop letting your chicken drink beer in the recycle bin! <img src="/forum/images/smilies/968/smile.gif" class="smilie" alt="" />
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#24

Greimann:

Where do you let your chickens drink beer?



I had the most interesting thing happen tonight, when I started my car the voltage guage in dash worked....for a little while <img src="/forum/images/smilies/968/sad.gif" class="smilie" alt="" /> then it pegged out again. I think it's dead Jim. Quote by Dr. Mc Coy to Kirk. Are the guages difficult to find/replace? Are they repairable? I've got questions, anyone got answers?

Oh yah, should I start a different thread ? I do NOT want to hijack this one. I thought they were close enough it would be ok. If my bad, I'll start a different one.

Ron
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#25

[quote name='Silver BLT' date='Mar 12 2005, 09:18 PM']Greimann:

Where do you let your chickens drink beer?

[right][post="1784"]<{POST_SNAPBACK}>[/post][/right][/quote]



What I do with chickens is not a matter of public discussion. <img src="/forum/images/smilies/968/ohmy.gif" class="smilie" alt="" />



I would assume you could replace the gauge. Haven't done that myself.



This is still sufficiently on topic. If it comes to needing help on replacing an instrument panel gauge, it would probably wise to start a new thread. Mostly for the fact that you will get more eyes looking at as a fresh topic, rather than continuing an old one.
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#26

ron (midblu) had the same thing happen to him - when his regulator blew, it took the guage with it - that one was more work than we were willing to put in - sorry no help on this one at this time
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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



"It isn't nearly as expensive to do it right as it is to do it wrong."
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