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Fan light not working - need help

Discussion in '308/328' started by Steve672, May 6, 2008.

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  1. Steve672

    Steve672 Karting

    Feb 15, 2008
    51
    ON, Canada
    Full Name:
    Steve S
    #1 Steve672, May 6, 2008
    On my 328 GTS the drivers side fan light does not come on even though the fan turns on. I have just replaced the bulbs in the instrument panel and still no luck.
    Any clues? Is there anywhere that I could measure a voltage and see if the fault is somewhere else other that the bulb (which is working).
    Thanks
     
  2. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,806
    30°30'40" N 97°35'41" W (Texas)
    Full Name:
    Steve Magnusson
    #2 Steve Magnusson, May 7, 2008
    Swap the two fan speed control ECUs -- items 31 in this figure (if the wires are long enough no need to physcially swap them, just swap the mating connectors):

    http://www.eurospares.co.uk/partTable.asp?M=1&Mo=664&A=2&B=38990&S=

    If the problem moves to the other side, that fan speed control ECU is bad; if the problem stays on the same side, most likely a connection fault in the instrument panel connectors 125 and/or 126 (as they are labeled in the 328 wiring diagram book).

    You can get a copy of the US 1989 328 wiring diagram book here (which should be the same in this area as your CH version 328):

    http://ferrari.stevejenkins.com/books/1989_328_wiring.pdf

    see Fig 8.
     

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