SD> Power Question (Electrical I think)

[Mike Fisher]

So, does the fan come on even at lower temps at part to full throttle?

swedeis at comcast.net wrote:
> It's the cooling fan coming on.  Put a 12v bulb on the output of the fan relay and mount the bulb in the dash so you can see when it comes on.  
> 
> To reduce the issue, upgrade the alternator, battery and fan wiring and the problem becomes less noticeable.  However every Shelby-Dodge I've ever owned has bobbled every time the damned fan comes on.  It is incredibly annoying.
> 
> Good luck,
> Stefan Mullikin
> Portland, OR
> PNW-SDAC Founding Member
> 1979 Porsche 924 (Carrera GTS Replica and GRM $2007 Challenger)
> 1980 Fiat X-1/9 (never ending 2.2 turbo swap)
> 1987 Plymouth Sundance Turbo (Daily Driver)
> 1987 Shelby CSX #106
> 
>  -------------- Original message ----------------------
> From: Mike Fisher <mfisher at ckt.net>
>> On my 85 Shelby Charger, I have a weird problem, but it may be common 
>> too.  I only notice it at night with the headlights on, but when I 
>> accelerate, and the turbo starts to spool, the headlights dim for about 
>> a second (on brights or dims).  The other day I got to watching the volt 
>> meter when this happens, and it does drop and come right back up.  I 
>> thought maybe it was the tension of the belt on the alternator, but it 
>> seems to be tight, and it was an almost brand new belt.  Anyone have any 
>> ideas, or is this just typical of these cars?  I don't drive it at night 
>> much, so I just have never really noticed it.
>>
>> Thanks!
>>
>> Mike
> 
>