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Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 3382
Experience:  ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician
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Do a 08 freightliner Columbia have a shut down or kill

Customer Question

Do a 08 freightliner Columbia have a shut down or kill switch where it kill all the lights on the inside of the truck and cigarette lighter.... if so how do I reactivate it???????....
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Jeremy replied 1 year ago.

My name is ***** ***** I will assist you.

No, the truck doesn't have a kill switch for just certain features. If you have one, you have a battery kill that is for the whole truck. You manually turn it on/off as you need.

Are the clearance lights and cigar lighter the only items not working or did you lose other items as well? As example, the overhead lights, gauges, radio, etc? Or is it just the clearance lights and cigar lighter? I'm presuming headlights work?

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Customer: replied 1 year ago.
No just the lights on the inside of the truck and the truck will not crank......... it turns over ..... but will not crank and I lost power on the inside of the truck not the outside
Expert:  Jeremy replied 1 year ago.

I see. Do you have a multi meter? If so, go to the passenger fuse box and on the right side of it there are 3 bolts. 2 marked with red wire and 2 with black. These are the main hot/ground points to the fuses. See that you have power and ground at them.

Also, check for fuses on the battery box. You should have a breaker looking fuse that controls power to the cab. If this is tripped or popped, it will cut the power to the cab, which will prevent start. The ECM power is fed from the cab fuse box. If there is no power there, the truck will not start. It sounds like you have now power to that fuse box which is causing the issues you are having.

I have a field call to do, but if still struggling, send me the full VIN of the truck and I will pull the electrical manual for you. I should be back by lunch and I can send that over to you. That will be about how long it will take to check that power and grounds from the batteries to the cab and the fuses in between.

Customer: replied 1 year ago.
Expert:  Jeremy replied 1 year ago.


This is the electrical manual for the truck

In the pages, it will give you the fuse locations as well as diagram info.

Expert:  Jeremy replied 1 year ago.

Were you able to determine the loss of power location?