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My ALDL has no pin "G"! How to test fuel pump?

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Old Jun 8, 2006 | 11:19 PM
  #1  
TEKNOSYS's Avatar
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Car: '91 Z28 1LE / '04 Subaru WRX
Engine: L98 5.7l / EJ20 2.0l Turbo
Transmission: 4L60 / 5MT
My ALDL has no pin "G"! How to test fuel pump?

How else could I check if the fuel pump is bad if my ALDL port has no pin in socket "G"? This is on a '91 Z28 1LE. Thanks
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Old Jun 10, 2006 | 08:12 AM
  #2  
Vader's Avatar
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You can power the pump directly at the relay socket with just a jumper wire.
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Old Jun 10, 2006 | 11:02 AM
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Dyno Don's Avatar
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
The red wire is located over by the timing plug, it has a black connector on it.
That is the fuel pump prime wire.
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Old Jun 10, 2006 | 11:14 PM
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From: Bonner Springs, KS
Car: 1995 Corvette
Engine: LT1
Transmission: 6 spd Manual
Axle/Gears: Dana 44, 3:45:1
On my '91 TPI its on the drivers side by the relays.. On my brothers '91 TBI, it was on the passenger side by the timing connector.. Red wire with a female blade connector on it.
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