Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I working on 2006 c13 and I have no check engine light on
I working on 2006 c13 and I have no check engine light on the dash, the ECM is good and I check the power at the rear plug of the ecm and I have 4 power and 3 ground. Don't know which PIN number are t… read more
Joe Green
Joe Green
71 satisfied customers
I have a sterling with a C 12 cat in it went to turn a
I have a sterling with a C 12 cat in it went to turn a corner in the truck just died cranks over just fine it has plenty of prime in the fuel system it starts and runs of either but dies it will not s… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
C15 reads no eng, wont fire,gives code 140. power at pins 70
c15 reads no eng, wont fire,gives code 140. power at pins 70 52 53 and i thunk 55, but also has power at pins 63 65 67 and 69 … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I have 03 sterling with a 3126 cat motor. i was driving it
i have 03 sterling with a 3126 b cat motor. i was driving it and it just shut off i changed the 2 fauler point on the hyuyie pumped that it coded not when i turn the key on the engine light engine pro… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Cat Man, I've got a problem with a 2005 Cat C7, it does
Good morning Cat Man, I've got a problem with a 2005 Cat C7, it does start ones a day, it doesn't start after the first time in the morning and then I let it seat until next day and its starts again. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2000 GMC C6500 with a 3126 just did the brakes and
Good evening sir. I have a 2000 GMC C6500 with a 3126 just did the brakes and suspension then went to start it and it will not run. It turns over fine just won't fire. Any ideas? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Upon checking the pins on my ECM plug I found I have power
upon checking the pins on my ECM plug I found I have power on pins 63..65..67..and 69. It is my understanding that these are grounds and I should not be hot on these pins. If this is correct what coul… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
C15 acert in 9900 int crank no start, Changed batteries,
Volt oilpr watertemp rpm and speedom not doing right after ign on… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Hey Mr Cat man, got another one I need some help on, it is
Hey Mr Cat man, got another one I need some help on, it is a 2002 Sterling with a c-10 in it, it shut down and came in on a hook. My computer is not detecting the ecm, can you get me the schematic for… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
2000 STERING WITH C12 NO START GOING DOWN ROAD JUST SHUT OFF
2000 STERING WITH C12 NO START GOING DOWN ROAD JUST SHUT OFF LOOKING FOR WIRING DIAGRAM TO CHECK POWER AND GROUND TO ECM… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Im working on a 2001 cat 3126. Died while driving cranks but
Im working on a 2001 cat 3126. Died while driving cranks but no start. No communication on pro link. engine serial #ckm19576… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
HAVE A 2007 KW T800 WITH A C13, NO COMMUNICATION WITH ECU,,, NEED PROCEDURES ON HOW TO PIN
HAVE A 2007 KW T800 WITH A C13, NO COMMUNICATION WITH ECU,,, NEED PROCEDURES ON HOW TO PIN TEST… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
GM c6500: i have a 99 gmc c6500 with a 3126b cat in it we replaced
i have a 99 gmc c6500 with a 3126b cat in it we replaced the alternator and now it wont start spins orver good no start and no intake heater… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I need a wiring diagram of the pin input and out puts on a
I need a wiring diagram of the pin input and out puts on a 3126 Cat its in a Freightliner 1FVACXAK93HK20610. SERIAL#CKM54644. WONT START WILL NOT COMMUNICATE! I really want to check power and grounds … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
good morning i have a 2000 peterbilt with a 3126 engine that
good morning i have a 2000 peterbilt with a 3126 engine that cranks but will not start. no momentary engine light when switched on but i do have voltage on pin 52 and 53 with switch on or off and i ha… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2003 sterling with a cat c12. Truck was idling and
I have a 2003 sterling with a cat c12. Truck was idling and then shut off and won't start back. Display on dash say NO ENG. Talked to a few dealers. They all say check the fuse by battery. Can't find … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2009 peterbilt model 378, with a c-13 LEE18461, I
I have a 2009 peterbilt model 378, with a c-13 LEE18461, I have power on pins 52, 53, and 70, and ground on 65 and 67. I ordered a new ECM, installed the reman, and I continue to get a j1939 code on t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2003 KW with a C-7 ESN-WAX04217 that most of the dash
I have a 2003 KW with a C-7 ESN-WAX04217 that most of the dash lights come on when i key on but i never see the check engine light. Can't connect with ET either. Truck won't start just want to verify … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
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