

| Subject: | Re: Hot A/C Wire |
| From: | Dennis Haynes |
| Date: | Mon, 23 Aug 2010 23:26:12 -0400 |
How about the ignition system and fuel pump is not fused. Yep, no nuisance blown fuses shutting us down. This goes all the way back to the early Beetles. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Raimund Feussner Sent: Monday, August 23, 2010 11:43 AM To: vanagon@GERRY.VANAGON.COM Subject: Re: Hot A/C Wire Roundabout 40A , that�s right. What worries me most is how VW in the 80s/90s could afford to run the alternator wire to the A/C, the alternator wire to the batt and the big hot wire from batt to starter unfused! Today, nothing�s unfused because of Americans claiming 47mio dollar for a burnt toe... ;-))) For the A/C I will put a waterproof inline 60A fuse in the wire from the alternator. Regards Raimund Am 22.08.2010 20:37, schrieb David Beierl: > At 10:59 AM 8/22/2010, Michael Sullivan wrote: >> on the C pillar of my 91? When a/c is off, wire is cool. When a/c >> is on, >> ire gets too hot to touch within 5 minutes. Kinda concerned to cover >> the >> pillar until I feel better about this. How hot is too hot? It is the >> wire >> on the right as it comes from the alt. > > You've got no local overheating at the terminals, so they're in good > shape. The insulation looks fine. It's a 6 mm^2 wire, like a fat > AWG 10, with PVC insulation. Under German regs it's allowed to have > a working temp of 70C which is 158F. It's allowed to carry 39 amps > at 50C/122F. > > Personally I think it would be better if it were a #8 wire, or had > another #10 in parallel. I have some concern that it might be > exceeding maximum working temp down in the engine box. At the least, > make sure that the alternator end of the wire looks like the end you > photographed. Like car builders in general, VW tries to used the > absolute least possible amount of copper... > > Yours, > David
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