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Old 09-05-2014, 04:04 PM   #1
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Can anyone tell me where the engine control module (ECM) is located on my 2003 Alpine 40MDTS with an ISL 400? Thanks in advance.

2003 Alpine Coach 40MDTS - 400HP Cummins ISL
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Old 09-05-2014, 05:46 PM   #2
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Try looking on the reverse side of the rear bulkhead for the battery compartment--in others words, between that bulkhead and the air filter container.....

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2003 40' MDTS
Garden Ridge, Texas
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Old 09-05-2014, 06:11 PM   #3
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Thanks Old Scout, I'll check it out.
2003 Alpine Coach 40MDTS - 400HP Cummins ISL
Can Am Spyder Roadster
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Old 09-05-2014, 06:17 PM   #4
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I have not worked on the ISL Cummins , but ISB & ISC's the Cummins ECM is mounted to the side of the block, intake manifold side.
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
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Old 09-06-2014, 08:29 PM   #5
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The EMC for all ISL 400 motors is located on the motor block, passenger side almost centered. You will see the wires plugging into it. Just forward of the EMC is the engine data plate.
Gary & Renee
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