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"Robbie and Laura Reynolds" > wrote in message ... > > > "Daniel J. Stern" wrote: > > > > On Sat, 16 Jul 2005, Robbie and Laura Reynolds wrote: > > > > > I have a 93 Voyager with 3.3 engine. Within the past couple of weeks > > > the radiator fan has quit turning on, and the air conditioner quit > > > working. They both quit at the same time as far as I know. The AC is > > > still fully charged, and all of the dashboard controls work including > > > the blower, etc. It's just that the clutch never engages. > > > > > > I got the trouble codes by turning the key, and it gave me code 33, > > > which according to the manual is a short or open condition in the AC > > > compressor clutch relay. > > > > > > Does this relay control both the AC clutch and the radiator fan? There > > > is only one fan, rather than one for the radiator and one for the AC. > > > So it makes sense in a way that a single fault could disable both the > > > radiator fan and the AC. > > > > Yep. There is a relay for the radiator fan and a relay for the A/C > > compressor clutch. They are interlinked such that the compressor relay > > won't close unless the rad fan relay is closed. A single fusible link > > feeds them both. You've got some diagnosis to do -- and you'll need a > > factory service manual (not Haynes, not Chilton) to do it. > > > I also have a 93 Caravan with 3.0. It's a different engine, but the > chassis wiring is the same as far as I know, and everything on it > works. I can do the classic "switch parts until it works" routine with > the other van. If I knew which relays and switches to look at, I could > determine whether the fault is in the parts or in the fusible links. > The problem is that it's hard to tell which ones are which. Does > anybody here know off the top of their head which relays to look at? Check the fusible links as I stated earlier, thats you you want to start. |
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