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Cooler box works .. sometimes?

3436 Views 1 Reply 2 Participants Last post by  1953
OK, I tested it before the purchase .. it worked. Now it seems to work when it wants. When switched, it just does not come on most of the time. Oh, and how can I tell if me truck has TPMS on it?
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I noticed with my ( 08 RRSSC) cooler box, that it will only be on, IF the truck is in drive and moving. If you stop at a light for a period of time, or in stop and go traffic, I've noticed that it turns off. Maybe because it's chewing up so much power and the ECU is programed to shut it off to save stress on the engine & altinator??? just my 2 cents. :dance:
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