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Related Medium and Heavy Trucks Questions
No power to the ECM. From the ECM where do 52,53 and 70
No power to the ECM. From the ECM where do 52,53 and 70 wires go to? … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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2000 Kenworth w900 speedometer. The 2000 W900 uses J1939 for
2000 Kenworth w900 speedometer. The 2000 W900 uses J1939 for communication to the speedometer. I have a 40 pin ECM giving J1922 for communication. How can I get the Speedo to communicate? Do I just ne… read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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I'm looking for the wiring diagram for the 40 pin plug for a
Hello I'm looking for the wiring diagram for the 40 pin plug for a 2000 kenworth T800 with a C15 Last 6 of the vin are 962268 Thanks… read more
Nich1019
Nich1019
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I am installing a 2000 kenworth t800 cab that had a c15 in
I am installing a 2000 kenworth t800 cab that had a c15 in in , onto a 1999 kenworth t800 that has a 3406e in it. … read more
Nich1019
Nich1019
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Caterpillar ECM harness adapter. I have a 1999 kenworth with
Caterpillar ECM harness adapter. I have a 1999 kenworth with a 70 pin ECM on a 3406E 2WS caterpillar engine. I'm putting in a 1997 6TS 3406E caterpillar engine but it has a 40 pin ECM. Is there a harn… read more
Nich1019
Nich1019
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Do I need any end of line resistors in the j1589 comm lines
Do I need any end of line resistors in the j1589 comm lines for it to communicate with the comm adapter and cat ET? I just have the com lines coming straight from the 40 pin plug to the comm adapter. … read more
Nich1019
Nich1019
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I have a 3406 in2003 Pete 379. No power to pin 21. Need to
I have a 3406 in2003 Pete 379. No power to pin 21. Need to know where it gets it's power from. … read more
Nich1019
Nich1019
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I want to change from 40 pin to 70 pin on c12 cat. 1995
engine came from L 9000 ford putting it in99 Peterbilt 379… read more
Cat Man
Cat Man
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I have a 1996 peterbilt 378 with a 3176 cat i am swapping to
i have a 1996 peterbilt 378 with a 3176 cat i am swapping to a c12 cat from a 2003 peterbilt, looking for wiring diagram to convert harness … read more
Daniel Wilson
Daniel Wilson
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1997 379 Pete cruise will work at idle but doesn't work
1997 379 Pete cruise will work at idle but doesn't work going down the road. The clutch will shut the cruise off and releasing the parking break will also. Mashing the break pedal will not shut it off… read more
Cat Man
Cat Man
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2007 pete 379 c15 Acert cat mxs99184 serial number. 2007
2007 pete 379 c15 Acert cat mxs99184 serial number. … read more
Cat Man
Cat Man
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1999 international 9200 need wiring info to ecm truck side
1999 international 9200 need wiring info to ecm truck side … read more
Andy
Andy
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Have a 2001 379 Peterbilt VIN 1XP-5DB9X-8-1D528464 with a
have a 2001 379 Peterbilt VIN 1XP-5DB9X-8-1D528464 with a 3406e,,, we dropped in a crate motor and now we can't communicate with ECM.... I guess I need a pin test for ecm to make sure something didn't… read more
Cat Man
Cat Man
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Just had a fresh overhaul on 6nz cat and now I have no power
Just had a fresh overhaul on 6nz cat and now I have no power only making around 18 to 20 lbs of boost before I had it overhauled I was around 40 lbs or more … read more
Cat Man
Cat Man
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I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e 40 pin. What do I need for the cab. I have the harness from the ecm to the firewall from a donor truck. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 1999 pete with a 2ws with a broken crank and i am
I have a 1999 pete with a 2ws with a broken crank and i am replacing with a 5ek i was told to get the harness from cat 40 to to 70 pin part#(###) ###-####the more i read the more i think this harness … read more
Cat Man
Cat Man
Cat Engine Expert
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10,344 satisfied customers
I have 04 Pete 70 pin ecm c15 I am. Installing a 97 3406e
I have 04 Pete 70 pin ecm c15 I am. Installing a 97 3406e 40 pin what needs to be changed to use ecm… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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2000 379 pete c15 cat need wiring diagram for ecm got power
2000 379 pete c15 cat need wiring diagram for ecm got power & grownd from battery but no power from switch please help… read more
Cat Man
Cat Man
Cat Engine Expert
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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