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Old 02-06-2019, 10:19 AM #136
Charlescoast Charlescoast is offline
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A/C Light Still Flashing

A/C Light still blinks intermittently after installing "New" Mag Clutch Relay
P/N: 90987-02028. Thanks for any help on further diagnosing this problem.
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Old 04-22-2019, 09:09 PM #137
MikeinNH67 MikeinNH67 is offline
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I replaced my clutch relay with a $6 one from Rockauto. No more blinking light. I also replaced the one for the heater circuit for the upstream o2 sensors as both sensors were burnt out when I got the truck. Same model relay so I'm thinking it stuck on at some point. Broke open the clutch relay and it looks like the one earlier in this thread. May need to look at the diode dealio listed in this thread.
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Old 05-06-2019, 01:31 PM #138
mitchell.marsh mitchell.marsh is offline
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I would like share my idea regarding in that issue:

The AC clutch works with an electro-magnet basically. The AC clutch coil can burn out, short out or sometimes even develop into too weak to engage appropriately. However, those same symptoms can become visible if you have a pitted AC clutch relay. So your first step is to use a jumper cable to provide battery power and ground directly from the battery.
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