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Print in friendly format Send this term to a friend  4L80E
Automatic Transmission - 4 Speed

1st Gear: 2.43
2nd Gear: 1.49
3rd Gear: 1.00
4th Gear: 0.75

Reverse: 2.07

- Used in production GM models...
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Re: Smoke under hood poof fuel pump stops working

Subject: Re: Smoke under hood poof fuel pump stops working
by istter1 on 2016/8/16 22:57:23

Quote:

BillH wrote:
Quote:

istter1 wrote:

I guess this is like or is FSM?


The FSM is 2 books, first is mechanical. second is Drivability and Electrical Diagnosis.



Bill this is what I am using.

Where do you buy FSM and what do the FSM stand for.
Field service manual

There are no codes
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Look at 8A-10-0 the only fusible link that turn into ORANGE from the battery is to the relays (FP, MAF), OPS, ECM. Look to the left side of the wiring schematic for those. All of the rest of the links in that vicinity go to RED wires for Voltage.

Since you've posted a scanned image I guess you've got the FSM in hand. Do you need me to post an image of where I mean?


Last edited by WVZR-1; Yesterday at 09:15 PM.
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Unable to get codes as right now the orange wire melted. The above information is why I assumed I had the right book.
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