Anyone install the Racetronix pump and harness kit? - Chevy Impala SS Forum
 
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post #1 of 6 (permalink) Old 03-19-2007, 11:07 PM
Brackets
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I have the pump and harness kit for the LT1 B body but see that the Racetronix harness has only a three wire connector where my connector to the fuel pump has four. Has anybody dealt with this yet? I'm still searching my FSM but haven't found the right wiring diagram. My FSM shows a pic of pump with the three wire connector but also shows the four wire connector at the rear of the car. I'm thinking that the extra wire might be part of the security system?

[ 03-20-2007, 11:51 AM: Message edited by: Brackets ]
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post #2 of 6 (permalink) Old 03-21-2007, 12:39 PM
bigbusa
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me and ed (fssstwood) had the same problem but the pump works fine without the hotwire kit ..im just gonna sell mine on the forum when i get around to it
post #3 of 6 (permalink) Old 03-21-2007, 01:40 PM
Brackets
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That's where I'm at now. I put the pump in the tank yesterday and it runs fine with all 4 wires hooked up. It won't work if the fourth wire(black/white)isn't connected. The black, grey and purple wires are the same between the Racetronix harness and the Fleetwood harness. The grey and black (+ and -) to the pump and purple to the fuel guage sender. This is where the difference comes in. Where the Impala, Caprice etc. and Racetronix harness have 3 wires we have that extra black/white.
So, we have four wires going into the tank. Grey and black to pump, purple and black/white to sender. The Racetronix kit and I assume the Impala etc. jumper the black between the pump and sender and eliminate our black/white. You would think that just leaving the black/white disconnected at the harness would be fine because it doesn't actually continue down into the tank anymore as it's replaced by the Racetronix black jumper. The black/white has to be another GND wire. I think I'll just try to find another male and female 4 wire weatherpak connector and incorporate the Racetronix three wires and the Fleetwoods black/white.
That's if this harness is even long enough. I haven't tried to route it yet.
 
post #4 of 6 (permalink) Old 03-21-2007, 09:58 PM
fwk
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I just put the harness in my wagon & I ran it accross the rear crossmember, into the right frame rail at the bumper, through frame-rail (used electrical fish tape to pull it, phuck those chitty zip ties they give you) & out a frame hole behind the inner fender & up to aux batt post by underhood relay center. ONE-TWO INCHES OF WIRE TO SPARE! Don't know how you will make it w/longer FW, as wagon is longer overhang than Impala. Attched ground to a bumper shock bolt & used a push pin to secure relay to existing hole out back.

I have stock pump & you could really hear the increased noise (more volts/amps) of pump when u flick key on.

[ 03-22-2007, 07:25 PM: Message edited by: The Reconditioner ]
post #5 of 6 (permalink) Old 03-22-2007, 09:55 AM
edy923
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Yeah, That harneSS didn't work for me either. I was just gonna splice it but the pressure is fine so I saw no need for it... I flipped mine here in the for sale section... I posted that it didn't fit the fleets before. Its just an extra ground wire in our cars from what I saw...
post #6 of 6 (permalink) Old 04-04-2007, 07:19 PM
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Well, for anyone whose interested, the harness does fit in the Fleetwood. Or at least mine did. Mine measured 18' long. I ran it from the fuel pump connector up and over the gas tank, through the clip for the fuel lines, over the brace above the axle, then into and along the frame rail and then exiting out the frame rail hole near the passeger front inner fender. I had enough wire to go along the inner fender and connect directly to the alternator post.
The fourth wire that the Fleetwoods have is another ground wire so I bought 1 complete 4 wire weatherpak connector(1 male and 1 female) to replace the 3 wire connectors that you get on the Racetronix harness and ran a jumper wire between the D(fourth) sockets. Now it's truly plug and play and works like it should.
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