RE: GTV6 cooling fan meltdown...(reasonably long)

["Ian Lomax" <sfalfisto@xxxxxxxxx>]

> Friends,
> 
> While out for a pleasant drive around the capital beltway 
> (i.e. wasting time 
> sitting in bumper to bumper traffic at 10:30 a.m.)  I started 
> to smell 
> something burning.  I caught a hint of it, then it was gone.  
> A while later 
> the smell came back with a vengeance and i watched as the 
> engine temp began 
> to creep up.  I pulled over and popped the hood to find the 
> source.  First 
> things first: coolant - good, drivers side fan, ok - pass 
> side fan, not ok.  
> pass side fan wiring - insulation melted off.  following the 
> wire to the 
> connectors - connectos melted together.  Since the radiator 
> is in the way 
> and I could follow the wiring no further, I headed to the 
> wiring harness on 
> the drivers side.  The harness was split open exposing the 
> wire which had by 
> then shed it's insulation.  Since the connector was fried, I 
> cut the power 
> wire and drove home (temp was fine at speed).  Got home, 
> removed fried fan, 
> opened it up and discovered death, as expected.  First of 
> all, what could 
> have caused such an event, and secondly...how does one go 
> about replacing 
> said fried components.  I might as well replace both fans 
> while I'm at it, 
> but the real question here is the wiring.  Upon initial 
> inspection it the 
> meltdown doesn't seem to have damaged any other 
> circuits...thank goodness 
> for that.  I have some ideas of how to remedy this, but I 
> thought I'd ask if 
> anyone has come across a similar situation.  Thanks for 
> letting me ramble.

I would also figure out why a fuse or relay didn't stop this, I'm pretty
sure fans are on a fused circuit.

That's as much as I can offer, I'm more a mechanical geek than an EECS
geek..

Ian Lomax
71, 74, 75, Alfas
--
to be removed from alfa, see /bin/digest-subs.cgi
or email "unsubscribe alfa" to majordomo@domain.elided