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10-01-2012, 08:02 PM
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#1
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Senior Member
Monaco Owners Club
Join Date: Mar 2011
Location: Almond, Wisconsin
Posts: 1,512
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Intake heat grid relay
Has anyone changed the engine grid heater relay. The one that pre-heats the intake air.I have a FL chassis and see some relay solenoids behind the battery box is this where it might be located.Just trying to see if anyone has done this to save some time looking for it. Yes I know I need to call FL but thought I would go this route first. Thanks. Jim
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 2006 Monaco Camelot 40 PAQ 400ISL - Toad Jeep Grand Cherokee - DW is the Nagivator. Retired to travel and everything revolves around the price of diesel.
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10-01-2012, 08:06 PM
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#2
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Is it bad? Otherwise I wouldn't bother changing it.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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10-02-2012, 08:06 PM
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#3
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Senior Member
Monaco Owners Club
Join Date: Mar 2011
Location: Almond, Wisconsin
Posts: 1,512
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The wait to start light doesn't stay on and it starts hard with a lot of smoke. It starts fine, no smoke if I used the engine water heater. It's either the relay solenoid or a sensor. Will have more time this weekend to try to figure it out, just looking for advice to take a short cut on time and labor.  Jim
__________________
2006 Monaco Camelot 40 PAQ 400ISL - Toad Jeep Grand Cherokee - DW is the Nagivator. Retired to travel and everything revolves around the price of diesel.
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10-02-2012, 11:35 PM
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#4
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Senior Member
Join Date: Dec 2008
Location: Vista Ca.
Posts: 132
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On a C7 the relay is on the engines intake manifold just above the heater grid.
Also there is a fuse-able link in the cable to the relay from the starter.
__________________
2005 Tropical T350LX
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10-31-2012, 04:20 PM
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#5
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Member
Join Date: Aug 2012
Posts: 33
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There will be a cable from the air intake heater to the relay solenoid. This solenoid is on the engine. My guess is you have a fuse or relay issue here. Could be a bad connection also. Check the torque on the relay nuts holding the cables to and out of the relay, as well as the torque on both heater nuts (power and ground). There is also a 2 pin connector from the relay to to the ECM engine harness. Check this connection as well.
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11-07-2012, 06:03 PM
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#6
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Senior Member
Monaco Owners Club
Join Date: Mar 2011
Location: Almond, Wisconsin
Posts: 1,512
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Got it fixed, Looked around for the relay, told DW to turn on key to see if I had the right relay. When she turned it on she said the wait to start lite stayed on and its worked ever since.  Do I have to give her the credit for fixing it.  Jim
__________________
2006 Monaco Camelot 40 PAQ 400ISL - Toad Jeep Grand Cherokee - DW is the Nagivator. Retired to travel and everything revolves around the price of diesel.
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11-18-2012, 09:10 PM
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#7
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Member
Join Date: May 2011
Location: Kelowna BC
Posts: 75
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Did you end up changing the relay to fix the problem? I think i have the same problem. it seems to be the heater sometimes doesn't stay on long enough.
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11-19-2012, 04:17 PM
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#8
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Senior Member
Monaco Owners Club
Join Date: Mar 2011
Location: Almond, Wisconsin
Posts: 1,512
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I didn't change anything. If you read post #6 you will find out what happened. Jim
__________________
2006 Monaco Camelot 40 PAQ 400ISL - Toad Jeep Grand Cherokee - DW is the Nagivator. Retired to travel and everything revolves around the price of diesel.
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11-20-2012, 09:17 AM
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#9
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Member
Join Date: May 2011
Location: Kelowna BC
Posts: 75
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Ok thanks. I thought maybe I missed something.
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Linear Mode
