Originally Posted by
jlong05
Wow. I didn't expect to cause such a war.
anyway, to clarify my information. At Start with glow plugs likely still on I have seen as lost as 10s(low) and then a few minutes later the voltage jumps to 11.5 or so. After running the vehicle for a bit the idle numbers level out to about 12.5 as I originally stated.
Wow I guess you started something as well.
I went out and tested mine for you to compare it to and here are the numbers.
Truck not running and nothing on- 12.7
Key on with glow plugs running, but truck not- 11.7
Right after truck started so glow plugs are still on-- 12.2
After a few seconds of truck running and glow plugs shut off- 14.1
Truck running with AC on- 14.0
Truck runnning with ac on and all light and radio- 13.8
Hope this helps you compare it to.
