Where to start troubleshooting a Duramax ECM battery?
Where to start troubleshooting a Duramax ECM battery?
The best place to start troubleshooting is the Starter Relay, because it’s an easy place to locate testpoints for most of the wiring. 1. Check from Pin 30 of Relay Base to Battery Negative for +12 VDC.
What are the diagnostic parameters of a Duramax diesel engine?
2005 6.6L (LLY) Duramax Diesel ENGINE DIAGNOSTIC PARAMETERS SENSED PARAMETER FAULT CODE ACCEPTABLE OPERATING RANGE AND RATIONALITY PRIMARY MALFUNCTION DETECTION PARAMETERS SECONDARY MONITORING PARAMETERS AND CONDITIONS MONITORING TIME LENGTH AND FREQUENCY OF CHECK MONITORING METHOD FAULT CODE STORAGE AND MIL ILLUMINATION
What should my ohm be on my Duramax?
1. Check from Pin 30 of Relay Base to Battery Negative for +12 VDC. If the Batteries are good, and the 40 AMP Fuse is good you should have +12VDC. 2. OHM from Pin 87 of Relay Base to the “S” Terminal of Starter Solenoid. It should be a very Low OHM reading.
Where are the grounds on a GMC Duramax?
The only grounds I see are on connector X-2, pins 2, 4, and 6. I checked continuity between those three pins and the case and they were good. I then checked the wiring from the connector to the chassis ground for those three and they were also good.
Where to start to troubleshoot a Duramax ECM?
The best place to start troubleshooting is the Starter Relay, because it’s an easy place to locate testpoints for most of the wiring. 1. Check from Pin 30 of Relay Base to Battery Negative for +12 VDC. If the Batteries are good, and the 40 AMP Fuse is good you should have +12VDC. 2.
2005 6.6L (LLY) Duramax Diesel ENGINE DIAGNOSTIC PARAMETERS SENSED PARAMETER FAULT CODE ACCEPTABLE OPERATING RANGE AND RATIONALITY PRIMARY MALFUNCTION DETECTION PARAMETERS SECONDARY MONITORING PARAMETERS AND CONDITIONS MONITORING TIME LENGTH AND FREQUENCY OF CHECK MONITORING METHOD FAULT CODE STORAGE AND MIL ILLUMINATION
When to replace the fuel injector on a Duramax?
The Dorman 904-122 Passenger Side Fuel Injector Return Line for your 2004.5-2010 GM 6.6L Duramax is an affordable option to the factory replacement. Dormans Fuel Injector Line restores proper operation of your fuel injection system. These should be replaced when installing new injectors to avoid any leaks. Fits passenger/left side.
Where does the battery go in a Duramax?
The High Current Circuits route Battery Current to the Starter Motor from the Solenoid Contacts. The Photo is of the Fuel Pump Relay, but the same naming convention is used on the Starter Relay. Also note the Pin Numbering on the Base of the Relay, which is very hard to see in the Photo.
