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I've got a 2003 e350 7.3 and there is zero power

Customer Question
I've got a 2003...

I've got a 2003 e350 7.3 and there is zero power electrically speaking. I've just replaced both batteries myself and have confirmed the battery connections are tight and clean. There is no power to anything though. I've also checked the fuses in both engine/cabin as well. Not sure where else to look?

Mechanic's Assistant: Is the power loss consistent, or does it fluctuate?

Constant

Mechanic's Assistant: Are you fixing your E350 yourself? What have you tried so far?

Read above

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

I turned the key on, the dash lit up for a second and then everything went black/dark and there is 12.6ish at the batteries, but it does not seem to be getting to the vehicle

Submitted: 7 months ago.Category: Ford
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Answered in 20 minutes by:
1/19/2018
Ford Mechanic: Cesar Jimenez,
 replied 7 months ago
Cesar Jimenez
Category: Ford
Satisfied Customers: 182
Experience: shop foreman at carmona repair
Verified

hi im cesar jimenez and i will be assisting you today...

turn key to ON position and wiggle the key to rule out the switch

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Customer reply replied 7 months ago
Just did that and got nothing. Also, I tested the cigarette lighter and there is no power there either. It always has power even without the key.
Ford Mechanic: Cesar Jimenez,
 replied 7 months ago

check underdash fuses all of them and the underhood fuses

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Ford Mechanic: Cesar Jimenez,
 replied 7 months ago

and any relay that is hot. also check if the relays power up ok

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Customer reply replied 7 months ago
if you mean by "relays power up ok" by clicking. I'm not hearing anything when I turn the key on. I've checked all of the fuses under the hood and most of the ones in the cabin. By most I mean, I could not reach a few up top that were 5's and 10's.
Ford Mechanic: Cesar Jimenez,
 replied 7 months ago

take a few minutes and check the ones you cannot reach. try taking a flash light and inspect the fuses by looking to see if the filament is burnt

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Ford Mechanic: Cesar Jimenez,
 replied 7 months ago

and connections on battery make sure post covers are not on and no grease is between the terminal and post.

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Customer reply replied 7 months ago
I've now checked all the fuses which are good. I've turned the key to the on position and checked the relays which are not hot. I checked the battery under the hood and it's clear and tight. I cannot reach the battery under the side door.
Ford Mechanic: Cesar Jimenez,
 replied 7 months ago

do you have a multimeter or voltmeter??

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Customer reply replied 7 months ago
I do not, but might be able to get one at home depot. What are you thinking?
Ford Mechanic: Cesar Jimenez,
 replied 7 months ago

i would like to check voltages across power distributon.

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Customer reply replied 7 months ago
I've got the multimeter, how do I test across the power distribution?
Ford Mechanic: Cesar Jimenez,
 replied 7 months ago
I’m logging off now but we can talk tomorrow
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Customer reply replied 7 months ago
can you transfer me to another?
Ford Mechanic: Cesar Jimenez,
 replied 7 months ago
First get battery voltage
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Customer reply replied 7 months ago
12.6
Ford Mechanic: Cesar Jimenez,
 replied 7 months ago
Negative on battery and positive on starter solenoid
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Customer reply replied 7 months ago
I understand you are finishing up and I certainly don't want to take you away from your evening... do you guys transfer these issues or share them? As I mentioned I don't want to keep you from your evening.
Ford Mechanic: Cesar Jimenez,
 replied 7 months ago
I will opt out and I will check tomorrow if nobody has helped you I will come back and we will get it started thanks
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Ford Mechanic: Chris (aka- Moose), Technician replied 7 months ago
Chris (aka- Moose)
Chris (aka- Moose), Technician
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Ford Mechanic: AMEDEE, AUTOMOTIVE TECHNICIAN replied 7 months ago
AMEDEE
AMEDEE, AUTOMOTIVE TECHNICIAN
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