Cranks no start, instrument cluster gauges do not work

LOWELL CONNER

MEMBER
2003 FORD F-250
5.4L
V8
4WD
AUTOMATIC
120,000 MILES

It cranks fine. I am not getting power on fuse number 30 and fuse number 45 when I'm supposed to have power. I am not getting power on the fuses. I would like to know where you could hook into within wires? I need a wiring schematic.

Wednesday, October 9th, 2019 AT 1:23 PM

6 Replies

BMDOUBLE

MECHANIC
1,139 POSTS

I've had quite a few issues with the central junction box in the interior. Here is a diagram of the power source for fuse 2.45. There should be 12 volts on the run and start position.

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Wednesday, October 9th, 2019 AT 2:07 PM

LOWELL CONNER

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2 POSTS

I have no power on that wire. Could you send diagrams on where it gets power?

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Friday, October 11th, 2019 AT 10:00 AM

STEVE W.

MECHANIC
13,573 POSTS

So you have no power to fuse 45 and that wire? In that case check fuse 116 (30 amp) in the junction box. If you have power at both sides of the fuse you will need to see if that power is making it through the ignition switch on that same colored wire.

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Wednesday, October 16th, 2019 AT 4:39 PM

BMDOUBLE

MECHANIC
1,139 POSTS

The power source for the red with green wire is a bus bar that is internal to the central junction box, which if were bad you would not have any other accessory operation like wipers, windows, radio, etc. You can try to add a fused jumper wire to the red with green wire at the ignition switch to see if this restores operation, if so then you have a central junction box issue.

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Thursday, October 17th, 2019 AT 8:22 AM

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