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Re: A/C indicator light is flashing...again....?
Only 91 and 92 C/K trucks have an algorithm that counts compressor cycles- too many cycles in too short of time and it decides the system is low on refrigerant- and shuts down the compressor and flashes the a/c light for 2 minutes- to save the compressor. So, your system is probably working as designed and you have a major loss of refrigerant. Powering down the control head resets the control head and the problem will be redefined- and light will flash again- there was also a TSB on this years ago about inadvertant flashing light- and a way to wire around it.
If I were you, I'd pull the refrigerant out (with a reclaimer) and weigh it to confirm system is low- then I'd find and fix the leak-- number one leak location is the compressor shaft seal.
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Automotive A/C Engineer with:
'99 IH 4700 Toy Hauler
(2) '95 GEO Prizms both maroon
'99 GMC Yukon
'95 Chev 3500, 454 Dually Crew Cab- 145k miles-
Wife's Camel trailer puller.
'94 Astro- 370k miles
'94 Firebird Formula- 5.7L 180k miles- gone-
'92 Chevy Lumina Van 3.8L 264k
'86 GMC S-15 - 2.8L 154k
'87 Buick Park Ave . 187k
'86 Buick Park Ave 3.8L 199k miles- gone
'77 Chevy Vega- 2.5L 175k miles gone but not forgotten
'68 Camaro 396 4 spd RS/SS -72k miles-
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