Re: [electrical] dead defogger

["Brian Honnold" <bhonnold@pac-cap.com>]

Check the contacts on the rear window at either side they corrode
easily....also check the wiring on top of the drivers side of the hatch...if
your wires are still inside the little conduit thingy then they are probably
broken.

Brian Honnold
'78 Rocco Ragtop (65 here and raining today BRRRRRRR)
-----Original Message-----
From: Benton Yoshida <byoshida@zygote.hsc.usc.edu>
To: scirocco-L@scirocco.org <scirocco-L@scirocco.org>
Date: Sunday, November 29, 1998 6:22 AM
Subject: [electrical] dead defogger


> The rear defogger on my '81 hasn't worked since I bought it and now
>it's getting colder here in SoCal (it's dipped below the 70's *brrr*).
>Fuse appears intact; moreover, the same fuse guards the horn circuit which
>works perfectly.  I don't detect a voltage drop on my in dash voltmeter
>when the defroster switch is turned on.  When I flip the switch, I measure
>12.x volts across the ends of the heating elements.  None of the elements
>appears broken.  I also measure 12V across the positive (driver's) side of
>the elements and a ground, for instance the bolt on the ends of the hatch
>support struts.  Is this to be expected or does this indicate a short?  Can
>anyone help me troubleshoot this problem?
>
> Related problem: The voltmeter also registers a 1.5-2V drop when
>the parking lights are turned on.  My relayed headlights only register
>about a 0.5V drop so I'm assuming that there is a resistance bottleneck
>somewhere.  The lights don't seem dim at any corner.  How do I go about
>tracing the trouble spot?  TIA, Happy New Year, etc.  benton-----
>
>
>
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