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Old 08-06-2005, 12:51 AM
RockinWagin RockinWagin is offline
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Join Date: Feb 2004
Location: Double Oak, Texas
Posts: 296
E.T.R. Switch or Evaporator Temperature Switch

OK, final stages of rebuilting this AC. The story so far: Replaced compressor (massive leak around outer seals), replaced condenser (leaks at two U joints), replaced drier, replaced expansion valve, flushed system, and vacuumed down. Has been holding vacuum for 30+ hours. Am waiting for the R12 to arrive.

I have not been getting power to the low pressure switch on the drier. I am getting power to one side of what I thought was the E.T.R. switch. See pic. 1 for location, but no power to the other side of the switch. So I bought an E.T.R. switch as shown in manual. See Pic. 2.

But I seem to have an Evap. Temp. Switch instead. See Pic. 3. The switch in my car has two blade type connections for the wires and not the 2 prong round connections of the E.T.R. Fastlane shows both types for this car.
Am I missing something?
Attached Thumbnails
E.T.R. Switch or Evaporator Temperature Switch-etr-swich-loc.jpg   E.T.R. Switch or Evaporator Temperature Switch-etr-switch.jpg   E.T.R. Switch or Evaporator Temperature Switch-evap-temp-sens.jpg  
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1984 300SD 326,997 miles and counting . . . No wait, my odometer is still dead
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