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2003 sterling lost all reading on instrument panel.. truck
2003 sterling lost all reading on instrument panel.. truck was driving fine for a few days,. then i hit a bump and everything came back on. where can i begin checking ?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
3,927 satisfied customers
I am needing wiring diagrams for a 92 GMC Topkick C6H042. It
I am needing wiring diagrams for a 92 GMC Topkick C6H042. It has an Allison trans. I am doing a diesel engine swap so I need complete diagrams.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
3,927 satisfied customers
I have 1996 Chevy Kodiak / Top Kick that the speedometer
I have 1996 Chevy Kodiak / Top Kick that the speedometer doesn't work. It has a Cat diesel, no 2 speed and standard trans. I guess a wiring diagram would be a good start- from the vss to the drac modu… read more
Jeremy
Jeremy
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3,927 satisfied customers
2010 cascadia last 6 vin ak3610. problem with the instrument
2010 cascadia last 6 vin ak3610. problem with the instrument cluster no working, none of any gauge from the instrument panel working, a/c also no working too. already check all the fused, they all goo… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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I have a 1998 GMC topkick. When you are driving the speedo
I have a 1998 GMC topkick. When you are driving the speedo is correct but when you turn on the head lights the speedo drops 10 miles an hour. So it is reading 35 when you are driving 45. Any ideas wha… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
3,927 satisfied customers
I'm working on a 2007 gmc 5500 topkick with the LMM 6.6 L
I'm working on a 2007 gmc 5500 topkick with the LMM 6.6 L duramax. I've narrowed down my p0299 code to a restricted exhaust. I'm thinking it's the cat that's plugged because it's before the dpf and I … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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Working on a 05 sterling actera SN n90789. It won't start.
Working on a 05 sterling actera SN n90789. It won't start. The ignition voltageto the ecm is a pulse sing on off signal on the going to the ecm like you are Turing the key on and off in rapid successi… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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I have an Isuzu/GMC 2007 W3500 box truck. 6.0L and the
I have an Isuzu/GMC 2007 W3500 box truck. 6.0L and the odometer is not working. The electronic readout "ODO 0.00". The speedometer is working. What is the problem? Thank you Steven… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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3126 cat in a 1999 GMC topkick C6500, I made a swap and I
3126 cat in a 1999 GMC topkick C6500, I made a swap and I need the full ecu wiring, … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I need a wiring schematic 2009 autocar refuse truck.
good morning, i need a wiring schematic for a 2009 autocar refuse truck. specifically for the dash cluster. i have a unit that has the cluster lights lit up light a Christmas tree but the unit is runn… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have a 2004 gmc c6500 with the Cat 3126 motor and the
I have a 2004 gmc c6500 with the Cat 3126 motor and the Allison automatic transmission. The transmission often won't shift, will stay in 1st, 2nd, or third gear. The instrument cluster on dash lights … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
3,927 satisfied customers
GMC T7500: I have a 2008 GMC T7500 truck. I am having issues
I have a 2008 GMC T7500 truck. I am having issues with the a/c system. The a/c compressor clutch is staying engaged all the time, even when the key is off. It's running the batteries down and it has d… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
3,927 satisfied customers
GM c6000: 94 gmc c6000 topkick 6.0 no spark. Checked pink wire
94 gmc c6000 topkick 6.0 no spark. Checked pink wire from icm to coil and there is no power. Checked all fuses and they are good… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
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I have a 2005 gmc 7500 with a c7 cat and an Allison
I have a 2005 gmc 7500 with a c7 cat and an Allison automatic transmission. The guage quit working ( fuel, tack, speedometer, temperature, volts ). I know gmc is known clusters so I swapped out the cl… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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GMC C7500: Cant figure out how to take out top bolts of starter
Cant figure out how to take out top bolts of starter on 2005 GMC 7500 TOPKICK. Not sure what engine it has. And what special tools are needed.… read more
Curtis B.
Curtis B.
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Associate Degree
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GMC: Hi Eric my name is ***** ***** I have a problem with
Hi Eric my name is ***** ***** I have a problem with my truck GMC Topkick 1996 366 v8 6.0 I need the firing order is possible you send me the diagram my email is *****@******.*** I am from Puerto Rico… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
3,927 satisfied customers
GMC 4500 Top Kick: Do you have the cab wiring diagram for a
Do you have the cab wiring diagram for a 1994 GMc Top Kick 4500 heater / Ac 3116 Cat Diesel ? Heater/AC control is not functioning. There is ignition power to the control unit. Faulty control unit ???… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have a 2000 chevy c6500, the tachometer not the speedometer
I have a 2000 chevy c6500, the tachometer not the speedometer doesn't work. The alternator has change, the instrument cluster been rebuild and the sensor in transmission has been change. What should I… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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