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AC question on condenser wiring 72SL
So another item on my car that is not stock is the wiring to the AC condenser , right now it goes to an on off switch hidden under the dash. A kind lister has sent me a nice OEM switch and now I need to figure out how to go back to original. Can anyone tell me where the 2 wires off the condenser go before the switch. The PO has a wire going from the condenser throught the firewall to this switch , I know that cant be right.
Better yet a switch wiring diagram?
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
#2
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Is that switch wired to the auxiliary fan in front of the condensor?
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Paul S. 2001 E430, Bourdeaux Red, Oyster interior. 79,200 miles. 1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron". |
#3
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Are you talking about the switch on the drier? Looks something like this.
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#4
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no the two wires I am trying to figure out come out of a clip connection on the side of the AC clutch. I assume when closed tell the clutch to engage on the condenser
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
#5
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That's the compressor. I did not put it back on my '73 when I rebuilt the engine. I will try to remember to check the wiring tomorrow. I think it is still there but it probably just goes into a loom.
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#6
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Maybe the P.O. wired around a bad 'low pressure' switch on the A/C system?
To replace the 'stock' switch would mean depressurizing the system, wouldn't it? Someone may not have had the time/inclination/equipment/funds to do the job right. You might have to go through the system with a schematic to find out exactly what the purpose of the switch is. Then figure out how to get it to work "right". You'll be most of the way there. Good luck. Scott
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Remember, it's not just a car. It's an Adventure. |
#7
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I did find a wiring diagram and have at least identified the right wires ( colors) now I just got to find them , a good weekend project!
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
#8
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What colors did you find? I found what I think is the correct connector on the '72 parts car. Brown and blue with either a green or yellow tracer. Traced it back to the firewall.
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#9
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yes those are the colors, green not yellow. I hope to find all of them under the dash during the old parts removal process tomorrow
wish me luck!
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
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