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General Discussion / Re: 2004 Cummins ISL 400
« Last post by Don Colapietro on June 14, 2024, 06:16:34 PM »
Still chasing the no start problem. we have the Cummins wiring diagram and it shows a +5vdc at the engine speed sensor which we don't have while cranking. Possibly a bad brand new ECM??  Is there a fuse somewhere that feeds these sensors?  thinking of hooking a tone generator to the speed sensor plug, but it appears to be coming from the ECM.. Thanks,


Technical Support / 2006 Thunder
« Last post by Paul Champagne on June 14, 2024, 06:06:52 PM »
Hello my porch light has gone out and it is not the lamp can't find where the fuse is located the step and handle light work just the porch light is not?


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For Sale: $85K or best offer
Coach located in Yucaipa CA 92399 Closest airport is Ontario, CA
California registration and clear title in hand.
ALL service and maintenance has been performed within the last 3000 miles.
Coach is mechanically sound and can be driven from coast to coast without a second thought.
Larry (949) 422-6018
Update: Slides fixed! The problem turned out to be a slipped bushing on one of my rail rollers. $9 spent on brass and stainless washers so it never happens again and slides function perfectly again.
General Discussion / Re: 2006 Monterey Laguna 4
« Last post by Mark Hoovler on June 14, 2024, 04:10:52 AM »
Thank you form the help
much appreciated

General Discussion / Re: 2006 Monterey Laguna 4
« Last post by Steve Huber Co-Admin on June 14, 2024, 02:35:48 AM »
06 Monterey wiring diagrams are on Coach Assist. Go to BAC Website, Coach Assist is under the Technical tab.
General Discussion / 2006 Monterey Laguna 4
« Last post by Mark Hoovler on June 14, 2024, 01:19:14 AM »
Looking for a wiring schematic for the 06 Beaver?  Is there a good place to find one?
Chasing a short in the Bay light circuit.

AWSOME information Eric and Scott!

Scott The owner and I trouble shot it together yesterday and we came up with a switch power to the ECM as an additional connection so if it dropped from the boards the ECM would stay hot and not drop out. Your post helped me walk through the issues and they almost perfectly matched and he was going to check that board out and get back to me.
I am going out of town, so they are going to shut everything off and let it cool down and drain power from the boards and then see if they can get the problem to duplicate so they can positively identify the failure. Also, the generator may have just help with additional power but, we were also pushing on that switch trying to get it to run and it may have just made the connection.
I will update you all late next week. 
I will be happy to buy you both a cold one for this!!!
Technical Support / Re: Air Solenoid and Fuel Line Replacement
« Last post by Dan Johnson on June 13, 2024, 11:14:06 PM »
Search the forum for "fuel line leak"  I think Dave talks about the line from the primary filter to the transfer pump. Some break down inside. I updated the primary filter to Cat and changed the line to the pump. I would have to say getting rid of the Racor filter made a quieter running motor.
Technical Support / Re: C-9 Flames out at low speeds
« Last post by Steve Huber Co-Admin on June 13, 2024, 09:44:33 PM »
Input from Dave Atherton; First check the key ring weight as significant weight can cause the ignition switch to intermittently fail and cut power to the ECM. There is a CAT service bulletin out on this. It could also be the Injection Actuation Pressure Sensor or the Atmosphere Pressure Sensor starting to fail. Both sensors are 5 volt and share the same signal wire from the engine ECM.
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