Bill looked at the Volvo Yesterday (been down with the flu) well the radiator hoses are one piece each (no sensors) do have the unit shown on the diagram you posted in radiator (item 13). retraced the wire: compressor to a plug connection from here to the low pressure sensor/ low pressure sensor thr...

Thank you again!! Volvo is new to me Saw the unit but "assumed" part of the engine temp system (Toyota/Honda style) Given a book when bought the car but very generic, need to purchase a better manual Thanks again The air is the only system not working on this car (was then quit)wife luvs d...

Yes Sir!!
thermo switch is what I need to locate

Next question,idea were it is located? See nothing on under hood or behind switch panel

Thanks!!

Thank you Does the green wire go to the fan switch? Mine does not have a green wire or does the fan switch and vent location lever (vacuum port) activate a relay or solenioid down line that the green wire goes to? As for capitals, I am 30+ year draftsman/engineer (mechanical) all drawings capital le...

The problem I am having is tracing the feed wire after it goes thru firewall in the cabin, controller do not see the same color wire coming out of it as under the hood. Not wanting to go a "finger-around in that twisty knot of wires and vacuum lines (break a contact point or unplug one a nd pay...

Took a fused (fuse removed) jumper wire tied it to feed wire to low pressure switch, started car turne fan switch on #3, set control to "snow flake" no power to low pressure switch. At this point put fuse in on feed wire clutch locks in, hook up air conditioning gage/lines, pressures read ...

compressor pressures are good
when you turn system on no power to the compressor
traced wire back:compressor to low pressure switch to were it enters thru firewall, no damage and no "juice"

1986 volvo 740 gle wagon (location midstate Arkansas) :?: air conditioner: no power to compressor compressor/clutch, low pressure switch,engine compartment wire good run fused jumper from hot source system works cabin area trouble finding the feed wire help!! basic unit( switch panel:fan switch/temp...