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05-26-2019, 04:23 PM
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#1
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Junior Member
Join Date: Feb 2018
Posts: 2
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Cat won’t start
I have a 2005 Beaver Monterey, I replaced chassis battery’s and accidentally connected up as 24/v , changed out all fuses I could find( lots ) everything works, Motor spins over great, but won’t fire, hooked up to ecm showed no codes checked pins 52/53 for constant power, all good, checked pin 70 power is present from ignition, still no start, tried a ecm test plug with power to constant ecm and and power to ignition, motor started fine  plugged to harness back in no start :(
Any thoughts from anyone?
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05-26-2019, 05:50 PM
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#2
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Registered User
Join Date: Apr 2019
Posts: 448
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Check the glow plugs.
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05-26-2019, 06:00 PM
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#3
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Senior Member
Join Date: May 2016
Location: Delaware beaches
Posts: 1,164
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If yours is the 36' model Ventura IV, we have 'sisterships.' I will be watching the responses to your post. Bummer. I hope you get it solved quickly.
__________________
2005 Beaver Monterey 36' 400 hp Cat C9 Sold 9/20
2004 Newmar DS 4009 DP Sold 8/18
Delaware beaches ----- DW & Kip the Wonder Dog
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05-26-2019, 07:45 PM
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#4
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Registered User
Monaco Owners Club
Join Date: Mar 2018
Location: Blairsville, GA & WPB, FL
Posts: 3,993
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Do you have 2 large switches in the back that lets you start it from back there? there?
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05-26-2019, 10:10 PM
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#5
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Senior Member
Join Date: Oct 2008
Location: Marshfield, WI
Posts: 719
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We had a no start on our Cat 3126B and it turned out to be the oil pressure sensor. It won't start unless sufficient oil pressure is present. Did your test harness bypass that sensor?
By the way, your engine doesn't have glow plugs, it has an intake air heater so don't be tempted to use starting fluid.
__________________
Denny, Connie & Shadow (former barn cat made good)
2006 Tiffin Phaeton, Cat C7, Freightliner Chassis
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05-26-2019, 10:46 PM
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#6
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Senior Member
Join Date: May 2009
Location: Sparks, NV
Posts: 203
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Did you step on it's tail? That usually gets my cat started. 
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05-27-2019, 05:25 AM
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#7
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Senior Member
Monaco Owners Club
Join Date: Aug 2017
Location: Orlando, Florida
Posts: 5,819
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Quote:
Originally Posted by Tim ansell
I have a 2005 Beaver Monterey, I replaced chassis battery’s and accidentally connected up as 24/v
, changed out all fuses I could find( lots ) everything works, Motor spins over great, but won’t fire,
hooked up to ecm showed no codes checked pins 52/53 for constant power, all good, checked pin 70 power is present from ignition,
still no start, tried a ecm test plug with power to constant ecm and and power to ignition, motor started fine
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05 Monterey has the CAT C9 engine.
Check the other Pins for power as shown in the table attached.
What is this "ECM test Plug"? Where did you get that?
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Linear Mode
