Subject: RE: Please advise on A/C conversion

[David.Ullrich at ferguson.com]

That was going to be my next question. Yes, the power for the pusher fan is tapped off the 12v+ supply for the clutch. It is properly fused (in-line fuse added). I grounded it directly to the body of the car, actually an existing screw in the radiator frame. Could I be robbing too much power from the clutch to allow if to fully clamp? Should I try pulling the fuse to keep the pusher fan from coming on to see if it gets better versus worse? Thoughts?

Dave

Too Many Toys:
2002 VW Jetta GLS 1.8T Tiptronic
1993 RX-7 R1
1987.5 Audi Coupe GT "Special Build" 2.3 - Anthracite Black
1985 Chevy Impala Interceptor


-----Original Message-----
From: Kneale Brownson [mailto:knotnook at traverse.com]
Sent: Friday, July 19, 2002 3:21 PM
To: David Ullrich - 0018 HQ; critchie1 at hotmail.com; quattro at audifans.com
Cc: Greg.Roa at Cinergy.COM
Subject: RE: Subject: RE: Please advise on A/C conversion


At 02:27 PM 07/19/2002 -0400, David.Ullrich at ferguson.com wrote:

>Is it possible that it could be "weak" and not clamping with enough force
>any more? Slipping? I do eventually get the vent temps down to where
>others have them, it just seems to take my car a lot longer...
>
>I do get a click, and it is obviously working, but I'm wondering about
>slipping. I knew about the 12v lead, that's what is signaling my pusher
>fan to come on (turn on lead) so that the pusher fan only comes on when
>the AC compressor is on.

So you're "robbing" power from the clutch supply line to run the fan?  I
don't know anything about electricity, so I don't know whether there's a
limit to how much heavy duty stuff you can run off one lead.

Is the compressor and its attachment to the engine the ground for this
circuit?    What'd you do for the ground for the extra fan?