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Old 06-20-2015, 11:38 AM   #1
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Alpine Owners Club
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Location: Ocala, FL
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Transmission panel dead engine won't start

2003 Alpine engine was running.
Pulled ahead to check toad.
Dash panel showed "do not shift". Transmission panel was blank.
Turned off engine. Now the engine will not start. Turn the key and nothing happens.

Checked all fuses in front of passenger seat and in rear compartment by air filter.
Removed transmission control module and had it tested, it's ok.
Checked for loose connections at transmission panel and transmission control module.
Checking for corroded wires and grounds.

Anyone have suggestions on what to do or where to look

This coach does not have Vansco modules.
The engine is 400 hp Cummins
The transmission is 3000 MH Allison
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Old 06-20-2015, 12:29 PM   #2
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When you turn on the key, does the normal stuff that only runs with key on run-- dash HVAC fan is easy to tell.

If not check the IGNITION SOLENOID. I believe you will find it by removing the front panel in front of passenger's seat.

Of the two large lugs, one should have chassis battery voltage all the time. The other large lug should have that same voltage with the ignition switch on.

With that panel removed, you should be able to hear and feel the solenoid click in when the key is turned on.

There is an easy "work around" if you have to hit the road if this is the problem.

Brett
2003 Alpine 38'
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Old 06-20-2015, 12:37 PM   #3
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Checked the solenoid it's ok.
Looks like everything else works ok except the transmission panel.
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Old 06-20-2015, 01:10 PM   #4
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I have not looked for it on the Alpine, but on most Allison 3000 transmissions, there are TWO fuses.

One fuse is for "memory", the other for transmission operation. Check both of them.

Wouldn't hurt to unplug and replug the Allison ECU and the shift pad.
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Old 06-20-2015, 01:30 PM   #5
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Quote:
Originally Posted by JLMunsil View Post
2003 Alpine engine was running.
Pulled ahead to check toad.
Dash panel showed "do not shift". Transmission panel was blank.
Turned off engine. Now the engine will not start. Turn the key and nothing happens.

Checked all fuses in front of passenger seat and in rear compartment by air filter.
Removed transmission control module and had it tested, it's ok.
Checked for loose connections at transmission panel and transmission control module.
Checking for corroded wires and grounds.

Anyone have suggestions on what to do or where to look

This coach does not have Vansco modules.
The engine is 400 hp Cummins
The transmission is 3000 MH Allison
JLMunsil
A "badly corroded fuse" in an inline fuse holder at the engine battery, in a wire from the positive post from that battery to the Allison VIM, (Vehicle Interface Module), caused an identical "no start condition on" my coach.
Good luck
Mel
'96 Safari
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Old 06-24-2015, 06:15 AM   #6
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Found a bad fuse in the passenger side rear compartment.
Engine starts ok now.

Thanks for all the replies.
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Old 06-24-2015, 07:58 AM   #7
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Originally Posted by JLMunsil View Post
Found a bad fuse in the passenger side rear compartment.
Engine starts ok now.
Thanks for all the replies.
JLMunsil
Thanks for the update.
Some posters aren't as considerate.
Mel
'96 Safari
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