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sweetbmxrider · 05-01-2009, 09:26 AM

ok so apparently you can't use an LED in the low coolant light. it will work but the PCM will think the bulb is out due to low resistance. the pcm will then command the fans to operate at low then high speed. use an incandescent bulb instead. pretty smart GM!

05-01-2009, 09:26 AM	#37
sweetbmxrider Meet Coordinator Join Date: Jan 2008 Location: brick/pt. pleasant beach Posts: 19,368 iTrader: (12)	ok so apparently you can't use an LED in the low coolant light. it will work but the PCM will think the bulb is out due to low resistance. the pcm will then command the fans to operate at low then high speed. use an incandescent bulb instead. pretty smart GM! __________________ Last edited by sweetbmxrider; 05-01-2009 at 09:27 AM.