Forum: Maintenance and Repair
08-27-2017, 11:05 PM
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Replies: 5
Views: 2,696
Broken wire
There was a broken wire somewhere in the wiring harness between the neutral safety switch and the start relay located in the under-hood electrical box. Took the the local Navistar dealer two weeks to...
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Forum: Motorhome Tech Topics
08-20-2016, 07:58 PM
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Replies: 0
Views: 1,102
OBDII power
Anyone know what fuse powers the OBDII port on 2011 Thor Serrano 33A (W22 chassis)?
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Forum: Maintenance and Repair
09-07-2015, 09:56 PM
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Replies: 5
Views: 2,696
Wont Crank again
Started again about three weeks ago. Carried to local International Harvester/ Navistar / Workhorse dealer's service department for diagnosis and repair. They have had the coach for two weeks and...
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Forum: Class A Motor Coach
09-07-2015, 09:46 PM
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Replies: 12
Views: 6,020
Solved
The locks were not TriMark as Thor said, but made by Southco the key code was R001.
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Forum: Motorhome Tech Topics
09-05-2015, 11:34 PM
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Replies: 0
Views: 1,011
Start relay not getting ground
Anybody know where the start relay gets it's ground when ignition switch is turned to start on Workhorse W22D with MaxxForce7 diesel?
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Forum: Maintenance and Repair
08-24-2015, 11:36 AM
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Replies: 1
Views: 1,491
More info
When I go to crank engine if I pause in run position for any length of time then when I go to crank the starter will not engage. If I go straight to crank without hesitating then the starter will...
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Forum: Motorhome Tech Topics
08-23-2015, 05:49 PM
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Replies: 0
Views: 1,159
Recognize this open connector?
Having crank problems on 2011 Serrano, W22 chassis with MaxxForce 7 diesel (FRED) and found this open connector hanging loose in the vicinity of the water pump. Anyone recognize this? It has two...
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Forum: Maintenance and Repair
08-23-2015, 05:47 PM
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Replies: 1
Views: 1,491
Anyone recognize this connector?
Having crank problems on 2011 Serrano, W22 chassis with MaxxForce 7 diesel (FRED) and found this open connector hanging loose in the vicinity of the water pump. Anyone recognize this? It has two...
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Forum: Class A Motor Coach
08-16-2015, 05:33 PM
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Replies: 12
Views: 6,020
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Forum: Class A Motor Coach
08-16-2015, 12:48 AM
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Replies: 12
Views: 6,020
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Forum: Class A Motor Coach
08-15-2015, 10:42 PM
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Replies: 12
Views: 6,020
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Forum: Class A Motor Coach
08-15-2015, 07:28 PM
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Replies: 12
Views: 6,020
Lost basement storage compartment keys
I have a 2011 Serrano 33A and have misplaced the basement storage compartment key. It was a TriMark key. Called Thor and they gave me a key code and when I called TriMark they said that code did not...
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Forum: Maintenance and Repair
07-31-2015, 02:06 PM
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Replies: 5
Views: 2,696
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Forum: Motorhome Tech Topics
07-04-2015, 02:35 PM
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Replies: 2
Views: 1,840
Thanks Darren, I checked there but did not see...
Thanks Darren, I checked there but did not see any switch to turn off the antenna amplifier. It may do it automatically through the switch box. Trying to figure out the wiring and install a sat...
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Forum: Motorhome Tech Topics
07-04-2015, 01:50 PM
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Replies: 2
Views: 1,840
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Forum: Maintenance and Repair
07-03-2015, 11:22 AM
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Replies: 5
Views: 2,696
Wont start revised
If I go straight to crank position on ignition switch it will start. If I pause in run position for a few seconds to wait for glow plug light to extinguish and then move ignition switch to crank,...
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Forum: Maintenance and Repair
07-01-2015, 11:25 AM
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Replies: 5
Views: 2,696
Serrano 33A wont start
I have a 2011 Serrano 33A with a maxforce diesel. When I try to start it, it is like the batteries are dead. Batteries are new and charged. If I step on the brake and recycle the ignition switch...
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