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Just did some reading on the KLIMA relay, then did some troubleshooting. It looks like I have a bad relay. But, I would like confirmation on this. With the car running and the ac turned on I have 12.4v on pins 5 and 7. 5.96v on pin 2. 9.1 ohms on pin 7 (resistance of compressor clutch I am guessing. Pins 6 and 4 are open. When the wide open throttle switch is closed, or the micro switch on the valve cover is closed pin 4 goes to ground. Pin 31 is grounded.
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1985 300D 296,000 miles - Project "Rusty" 1/4 mile in 19.9 sec @ 71mph. It's almost rust free and water proof!
2006 Dodge/Cummins 6-Speed - 670HP 1159ft/lbs
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