fuel pump relay "83 firebird"
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Junior Member
Joined: Oct 2008
Posts: 11
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From: lafayette, iindiana
Car: 83 trans am firebird
Engine: 305 5.0
Transmission: automatic
fuel pump relay "83 firebird"
any ideas of how to bypass fuel pump relay to make sure the fuel pump is working. i done it to my chevy truck, but dont know where the the wire to bypass the relay is located on my trans am. i know i should try to hear for humming sound ,but since i dont have anyone to turn the key for me, and i cant hear from inside the car. thanks
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Joined: May 2007
Posts: 165
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From: Corryton, TN
Car: 83 Pontiac Trans Am Recaro
Engine: Crossfire 350
Transmission: Auto
Axle/Gears: 4.10 posi
Re: fuel pump relay "83 firebird"
I will look in my service manual if I can free up some time this afternoon...
also, try rolling the window down and standing outside the car to listen for the humming sound... thats what I have to do...
also, try rolling the window down and standing outside the car to listen for the humming sound... thats what I have to do...
Thread Starter
Junior Member
Joined: Oct 2008
Posts: 11
Likes: 0
From: lafayette, iindiana
Car: 83 trans am firebird
Engine: 305 5.0
Transmission: automatic
Re: fuel pump relay "83 firebird"
rgarcia can u tell me whre the obd1 is located and can u draw a pic for me. thanks
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
It's described in the Tech FAQ link from the thirdgen.org home page.
If you search the forum for "ALDL", you'll find pictures (from Vader if memory serves).
If you search the forum for "ALDL", you'll find pictures (from Vader if memory serves).
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iTrader: (2)
Joined: Sep 2007
Posts: 180
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From: mesa, arizona
Car: 84 Trans Am
Engine: 383
Transmission: Tremec TKO
Axle/Gears: 10 bolt 3.73 lsd
Re: fuel pump relay "83 firebird"
tino is your car CFI or carbed? if carbed, you may only have a mechanical pump
Supreme Member
Joined: Jan 2003
Posts: 2,133
Likes: 4
From: Houston, Texas
Car: 88' IROCZ
Engine: 388 TPI Motown 350 Race block
Transmission: 700R4
Axle/Gears: 2.77
Re: fuel pump relay "83 firebird"
On this website http://theking.joakimweb.se/z28/felkoder.htm there's an image of a dash and just below it is an ALDL diagram. Apply 12volts to the "G" terminal. This is a great way to drain the tank.
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Supreme Member
Joined: Jan 2003
Posts: 2,133
Likes: 4
From: Houston, Texas
Car: 88' IROCZ
Engine: 388 TPI Motown 350 Race block
Transmission: 700R4
Axle/Gears: 2.77
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Joined: Nov 2007
Posts: 243
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From: Sacramento CA
Car: 1982 Z28
Engine: 385ci w/carb
Transmission: TH350 w/3200ish Stall
Axle/Gears: 10 bolt :( 3.23 gears w/ posi
Re: fuel pump relay "83 firebird"
On my CFI car I just jumped from the orange wire on one side on the connector to the red wire connector on the other side of the relay. pump came on right away. In fact that is how my pump is set up now with the orange wire wired to a ignition hot and the red pump power wire wired to the orange wire.
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