I had a similar prob last summer. As it turns out the ground wire on the harness leading to the Coil pack went bad. All I did was splice a new ground into it and grounded it to the engine.
Mark Reda. ----- Original Message ----- From: "Eric Schumacher" <[email protected]> To: "Chad Rebuck" <[email protected]>; "16v" <[email protected]> Sent: Thursday, July 10, 2003 9:44 PM Subject: Re: [a2-16v-list] ground connections and hot wires > Hello Chad > > Usually VW does both in modern cars, connect both to chassis and run a > brown wire. Even body grounds can have surprising resistance. Having the > wire there makes individual points redundant. Any wire that gets hot should > be looked into. Often it is not the wire but rather the lug/wire > interface. The copper wire is quite conductive of heat so it gets hot for > quite a distance from the lug. Also, for reasons totally unknown to > me, The wire VW uses can sometimes develop a rather high resistance. Best > thing is to go around with your voltmeter and measure the drops across > wires, lugs, connector pins, etc and see where the voltage drop > occurs. Use a needle or something sharp to access the wire about an inch > from the lug. A systemic approach to finding the actual problem then > replacing the deficient interface will keep the lights bright and the > blower blowing hard. > > Lotsa Luck Eric > 85 GTI with VR6 Power > > At 08:37 AM 7/9/03 -0400, Chad Rebuck wrote: > >I have replaced the stock battery terminals and run some additional ground > >cables to the engine and body. I've noticed that a ground wire (maybe 8 - > >10 gauge) is connected directly to the battery, which I think comes from > >the fuse/relay block ground terminal. This wire gets hot when the ac fan > >is on speed 3 or 4. Why would vw run a separate ground connection instead > >of grounding to the chassis or ground point next to the fuse block? I am > >suprised the insulation on this wire is still there - maybe it is because > >more current is flowing through the system with my upgraded connections at > >the battery? > > > >Chad > > > >_______________________________________________ > >a2-16v-list mailing list > >[email protected] > >http://mail.a2-16v.com/mailman/listinfo/a2-16v-list > >For list archives, see listinfo link above. > > _______________________________________________ > a2-16v-list mailing list > [email protected] > http://mail.a2-16v.com/mailman/listinfo/a2-16v-list > For list archives, see listinfo link above.
