At 11:28 AM 7/26/2003, Randy Charrette wrote: >I am in the process of wireing in a westy fridge to my Syncro GL. Question >on the 12V hook up. I'm looking at the manual and it appears the Black is >Posative, Blue is Negative (-), and I don't know what the brown wire does??? >Any help is appreciated. Black is the +12v heater feed -- it should be wired so that 1) it can carry 8 amps with absolute minumum voltage drop from the battery and b) so it cannot accidentally discharge the starting battery. VW did this by feeding through a relay that's activated by the alternator D+ lead; so the line is live only when the alternator is actually charging. Blue is the 12v ground. Again, it needs to carry 8 amps with as small a voltage drop as practical. Brown is the +12v feed for the thermostatically controlled fan on the outside back of the fridge. It draws less than a tenth of an amp, *but it needs to be hot any time the fridge is in use by any method.* It grounds through the blue lead. As far as I know it's the only brown wire in the vehicle that's not a ground. david -- David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/ '84 Westy "Dutiful Passage" '85 GL "Poor Relation" |
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