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Old 02-12-2016, 10:27 AM   #1
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block heater for 2002 revolution cummins

The last 4 years my coach hasn't been used much except for yearly run for service and registration. The engine block heater has never been an issue because when I used it, it was in the warmer seasons. Fortunatly, I found a young family who wants to buy it. Today he is picking it up today, but here in New Hampshire its cold as a witch. The Block Heater is not coming on. I've checked the plugs to see if the "thingy" popped out no problem there. I've checked the circuit breakers at the end of the bed and the fuses none of the labels have obscure titles and I've checked the fuses in the cabinet in front of the drivers front wheel. I have not looked under the enclosed black plastic boxes just above the fuses in this last cabinet on the drivers side. any other Ideas?

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Old 02-12-2016, 11:25 AM   #2
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Does yours have a separate switch on the dash?

Does it have a separate circuit breaker in the main panel, since it is 120 volt you have to be plugged in or running the generator.

Mine has an outlet wired at the rear of the coach, the block heater plugs into that. During travel we leave it unplugged as road dirt moisture gets into the electrical outlet.

Finally, we have a switch on the dash for the block heater, the switch is 12 volts. It actually provides a signal to a 12 volt to 120 volt relay that turns the block heater on. That relay could go bad.

The problem is you don't know where this relay could possibly be hidden, in my case it is behind the main electrical circuit panel and the only way to get to it is to take the EMS panel front out, not an easy task.

Jim J
2002 Monaco Windsor 38 PKD
2005 Jeep Grand Cherokee w/5.7 Hemi
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Old 02-12-2016, 12:44 PM   #3
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I would do like Jim said. In addition, does the block heater switch light up when turned on, or in some Fleetwood products light up when turned off? (I never could figure that one out!) If the switch doesn't light up at all, then I would check for a breaker that has tripped.

If the switch is lighting up, then find where the block heater is plugged in. Plug a light in there and see if the light works. If it does, then I'm afraid the block heater could be burnt out.

Tell us what you find out, OK?
Good Luck, Be Safe and Above All, Don't Forget To Have Fun
2006 Fleetwood Discovery 35H, being pushed by a 2014 Honda CRV
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Old 02-12-2016, 01:38 PM   #4
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Have you plugged something else in the block heater recepitical to check power.
2007 Fleetwood Revolution LE 40V
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Old 02-13-2016, 02:04 PM   #5
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You have to be plugged into shore power in order to use the engine block heater. Get your multimeter out and check to see if is indeed getting power or not. The light on the dash switch may be burned out.
Bob & Joan Alexander, 2010 Tiffin Phaeton 36 QSH, 2013 Jeep Wrangler (toad)
Lobo & Juniper (woof, woof)
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cummins, heat, heater

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