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roy, import/domestic specialest
Category: Ford
Satisfied Customers: 6048
Experience:  ASE master tech for 40 years
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I can't find the fuse for the bus door on my Ford E-450

Customer Question

I can't find the fuse for the bus door on my Ford E-450 cutaway bus
JA: Have you checked the vehicle's manual yet?
Customer: Yes. I can't find the fuse for that. It gives no info on the operations of the door
JA: What year is your E150?
Customer: E-450
JA: Are you fixing your E150 yourself? What have you tried so far?
Customer: E-450, not 150. I can't do anything until I find the fuse
JA: Anything else you want the mechanic to know before I connect you?
Customer: That's all. I just need the doors to open
Submitted: 1 year ago.
Category: Ford
Expert:  roy replied 1 year ago.

good evening my name is ***** ***** I will assist

did you verify there is no power to the motor??

depending on who manufactured the body, the fuse panel should be above the driver seat in the panel. it contains all the fuses for the body conversion


Customer: replied 1 year ago.
I looked there. But, there are none labeled door. Lol
Customer: replied 1 year ago.
no.diagrams online look like that fuse box
Expert:  roy replied 1 year ago.

do you know the manufacturer??

did you check for voltage as I asked???

Customer: replied 1 year ago.
I don't have the tools to do that.
Expert:  roy replied 1 year ago.

can you get a voltmeter to do some checks???

Customer: replied 1 year ago.
I'm at an auto parts store, and they don't even have one... If you can believe that!
Someone said they tested it 2 days ago and there was no power.
Expert:  roy replied 1 year ago.

ok, could be the switch as well. still need a meter

Customer: replied 1 year ago.
Where I live, the sidewalks are rolled up! There is nowhere to get one.
Customer: replied 1 year ago.
If you could please tell me if it's a fuse or a breaker, and what amp it is woukd be a good start. No?
Expert:  roy replied 1 year ago.

a fuse, 20 amp.

the relays are common failures as they are mini relays that had a constant failure


Customer: replied 1 year ago.
What is a relay? You are talking to novice! Talk to me like I'm an idiot please.
Expert:  roy replied 1 year ago.

the relays are right on the circuit board where the fuses are located. if it is bad, the board needs to be replaced.

a relay connects a circuit using a low voltage to connect a high voltage


Customer: replied 1 year ago.
There are no guses on the box above the door, only breakers
Expert:  roy replied 1 year ago.

ok, we are at a stand still until you get a meter to do some checks

Customer: replied 1 year ago.
Customer: replied 1 year ago.
That is impossible for me as I need the door to open by 5am tomorrow. Someone tested it two days ago and said there was no power, as I stated before. They thought it was related to the second battery
Customer: replied 1 year ago.
In all fairness, he only works on hot rods.
Expert:  roy replied 1 year ago.

if it was, then all your lights in the back will not function

Customer: replied 1 year ago.
I know it's not the battery. That's why I did the research on the fuses. I was only able to find one diagram even mentioning a fuse for the bus doors. But it was a 10 amp, you said 20. So I'm confused. Also none of the diagrams look like any of the three fuse boxes I have on the bus.
Expert:  roy replied 1 year ago.

II used to work at a limo place and we had 50 of them. they all had different body companies and different wiring diagrams.

I wish I could be more help ut I cannot from here since I am not there and you have no equipment to help me tell you the failure.

I will opt out and maybe someone else may be able to assist