[DeTomaso] Fan light in speedo w/fan relay mod

[Mike Drew]

Joe,

Simply run a wire from the output side of the fan relay that comes on second, to the light (along with the wire that goes to the fan of course). Only the very earliest cars had this wire in the factory harness. Most people have to string a new wire. 

Mike

Sent from my iPhone

> On Aug 27, 2019, at 14:23, Joe Jaffoni <427390 at gmail.com> wrote:
> 
>   I installed two two-speed Derale fans (pn 18212) using only their high
>   speed.A  I used thermo switches in the radiator that I got from Bob
>   Byars (RIP) who told me that if I used them I didnat need relays.A
>   Well, the fans and thermo switches work great but put a huge load on
>   fuse 11 and at first the fuse was getting a lot of oxidation on it
>   quickly and creating a bad connection and now the fuse is blowing all
>   the time. I am following the attached fan mod/relay wiring diagram
>   which I believe will result in the fan light in the speedo NOT working.
> 
>   To make the dash indicator light on the speedo work with the revised
>   wiring I think I need to put the red and yellow wire that are together
>   from the original harness to the 87 terminal on the relay for one fan
>   and the yellow and blue wire that are together from the original
>   harness to the 87 terminal on the other fan relay. From what I can tell
>   from the wiring diagram for the original harness, the two yellow wires
>   (one is with a red wire and one is with a blue wire) feed the positive
>   side of the fans.
> 
>   Has anyone done this OR how can I wire in the new 30 amp relays AND
>   have the fan light in the speedo continue to work? (I've scoured the
>   boards and forums and can't find a clear answer).
> 
>   As always thank you in advance for any guidance/advice - Joe
> <Pantera fan wiring with relays.docx>
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