Re: [DML] Cooling fans and the ignition

["Harold McElraft" <hmcelraft@xxxx>]

It sounds like you are looking at the circuit breaker. I was 
refering to the RELAY. See the diagram in the Technical Information 
Manual. FanZilla will probably take care of your problems though.

Harold McElraft - 3354

--- In dmcnews@xxxxxxxxxxxxxxx, Joe Angell <jangell@xxxx> wrote:
> > It sounds like your relay is sticking. The circuit that starts 
the
> > relay is activated with the ignition switch but the wire going 
to
> > the relay to run the fans is "hot at all times". Get a heavy 
duty
> > relay from John Hervey (40 amps). Both fans take a full 22 amps 
at
> > run (11 amps each) and nearly 40 amps to start them. That is a 
lot
> > to take away from the starter circuit - especially if your 
battery
> > is low or marginal.
> 
> I checked and found I do have a 40 amp relay in there, which is a 
> replacement for another 40 amp that we thought was faulty last 
week.
> 
> I noticed that if I have the AC on (which causes the fans to run) 
when 
> I start the car and the car is cool, the fans turn off so the 
starter 
> can get power.
> 
> However, if the fans are running because the car is hot, the fans 
stay 
> on when trying to start, and the starter won't turn over.
> 
> My FanZilla should be here early next week, so maybe I'll get 
lucky and 
> that will fix the problem. But I'm also considering putting a 
> transistor on the control line to the fan relay from the starter 
relay, 
> automatically disabling the fans entirely when trying to start the 
car. 
> Should be a pretty straight-forward fix. In any case, I have 
some 
> cooling issues (need a new radiator) which is why this is coming 
up in 
> the first place.
> 
> Thanks for the help!
> 
> -- Joe