Peterbilt 379 Engine Fan Stays On

Peterbilt 379 Engine Fan Stays On. So pete installs a normally closed relay to the fan control valve. Web #1 i have a 1998 peterbilt 379 3406e cat.

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Web i've been trying to figure out the ac on a 2000 peterbilt 379 lately and have hit a wall. Web fix it yourself video explains simple ways for owner operater in the trucking industry how to trouble shoot and fix the problem. I took out a cat 2ws32622 with a 70 pin connector and replaced with a 40pin ecm cat 6ts17248.

It Works When I Turn It On Manually, But It Won't Come On Automatically, With Or Without Heat.


My pete 387 with cat c13, the fan cuts on itself at any moment and stays on/off, then back on and so on for long periods of an hr or more. This way when the ecm. Web hi i am doing an engine swap in a 2000 peterbilt 379.

Should Cycle As Needed With The A/C.


The three relays inside the dash, on the one relay for the fan number 85 is the ground, and that wire is a 239, the 86 on. Anyone near the engine fan when it turns on could be seriously injured. 05' pete 379 with a cat acert:

Web Fix It Yourself Video Explains Simple Ways For Owner Operater In The Trucking Industry How To Trouble Shoot And Fix The Problem.


Web because they are designed as failsafe, the ground circuit is completed when the fan is not needed. Web is it a sensor causing the fan not to turn on when the water temp. Web i've been trying to figure out the ac on a 2000 peterbilt 379 lately and have hit a wall.

So Pete Installs A Normally Closed Relay To The Fan Control Valve.


Web #1 i have a 1998 peterbilt 379 3406e cat. The last few day's the engine fan has been staying on 90 % of the time. I took out a cat 2ws32622 with a 70 pin connector and replaced with a 40pin ecm cat 6ts17248.

Web There Are Several Potential Solutions If Your Peterbilt 379 Engine Fan Stays On Due To An Electrical Issue.


The air solenoid on the firewall has no power and the. Meaning, the solenoid is grounded, allowing air flow to the clutch. The switches in the a/c system are.