Milano heater problems

[catman@domain.elided]

Hello all, it's been a long time since I posted a query here, but I know 
you guys are all up on Milnaos (or 75s)

I have  Giulietta 116 series that has just been converted to V6 with 75 
electrics.  Everythign is nice, except that the cabin fan for the heater 
does not blow.  I spent an un-amusing 3 hours today crawling around 
the dash with no results, so I am hoping that someone will be able to 
throw me some tips

Bascially I have a 12v feed going direct into the blower unit and a 
multiway connector that accepts cables from the switch, to (I assume) 
the resistance pack.  What seems to be the problem is that there is no 
12v getting to the switch.  Does anyone know what colour the feed to 
the swtich should be, and from where it comes?  I have looked on the 
cardisc, but it is less than halpful (sadly)

TIA

Catman MIB#14 SKoGA#6: Tyger, Tyger Burning Bright (Remove rust 
to reply)
Alfa 116 Giulietta 3.0l (Really), Sprint 1.7
Ducati Monster 600 Metallic
www.cuore-sportivo.co.uk
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