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89 to 91 fuel pump relay harness wires

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Old 04-07-2004, 08:29 AM   #1
Junior Member
Join Date: Jan 2004
Posts: 20
Car: 1989 Camaro RS
Engine: 305 V8 TBI
Transmission: 700R4

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89 to 91 fuel pump relay harness wires

I have 89 RS TBI with a 305. The fuel pump relay harness has been cut off by the previous owner. I have a 91 harness and relay but the wires are missing. Does anyone know what colors match up? The 89 wires coming from the car are solid red, solid purple, black with red stripe, and green with white stripe, and tan with white stripe. The solid red and solid purple are thicker gauge wires than the others. The 91 harness has a solid red wire coresponding to (A) on the harness (thick wire) solid black (F) thin wire, solid purple (E) thick wire, and solid orange (D) thin wire.
the 89 GM#14089936 the 91 GM#14103304

Last edited by The Shadow; 04-07-2004 at 08:34 AM.
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Old 04-10-2004, 08:24 PM   #2
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Join Date: Mar 2001
Location: CLIMAX, GA. USA
Posts: 323
Car: 1972 LT1 Corvette
Engine: 350 HO
Transmission: M22 Heavy Duty 4 Spd
Axle/Gears: 336

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Go to this link GM-ECM drawings . All the info you need is there.
1972 Corvette
Original LT1 350/HO Engine
Keith Black 9.7:1 Pistons
Replaced original Solid Lifter Cam with
Comp Cams Marine Roller Cam
Original 4 Bolt Steel Crank
336 Posi Rear Chunk
1991 Speed Density TPI setup
With Holley Stealth Ram Intake
DFI 7 conversion in progress
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14103304, 1972, 89, 8991fuel, 91, camaro, corvette, crvette, fuel, gm, harness, pump, relay, resest, rs

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