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[GMCnet] More Blower Woes [message #279084] Thu, 04 June 2015 20:28 Go to previous message
Daniel DeLuca is currently offline  Daniel DeLuca   United States
Messages: 120
Registered: June 2014
Karma:
Senior Member
Hello,

Just when I thought I had a ‘really’ good handle on how the blower fan functioned on my ’78 it throws me another curveball. So this spring I replaced the resistor pack and the relay on my blower fan. Tested it and had all speeds. Today took the coach out for a spin, and of course once again I had no fan. Well I think I know how everything works now so I go out there with a multimeter and figure I’ll have it sorted in about ten minutes.

Nope

Now my relay is good and my resistor pack is good, but it seems like nothing is getting voltage from the dash unit. No voltage through resistor pack and no click of the relay. Of course I check the fuse and its okay. So, is it possible my control unit went south? I am really tempted just to hotwire it to some middle speed and be done with it. The only thing I noticed is that the little 5A fuse labled AUX is blown, what does that power?

Dan
78 Eleganza
NJ
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