Why Do I Only Have 5 Wires in my ALDL Port???
Thread Starter
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
Why Do I Only Have 5 Wires in my ALDL Port???
So I only have 5 wires in my ALDL port. Im trying to energize my fuel pump and found this out...
http://images1.snapfish.com/346%3A%3...5%3A%3C7ot1lsi
Why don't I have all the wires listed in this diagram? I have wires in the C B A K & M spots only!?
http://images1.snapfish.com/346%3A%3...5%3A%3C7ot1lsi
Why don't I have all the wires listed in this diagram? I have wires in the C B A K & M spots only!?
Member
Joined: Sep 2004
Posts: 231
Likes: 0
From: Alberta, Canada
Car: 80 GMC K35
Engine: TPI 355
Transmission: NV4500
Axle/Gears: 4.10
Might not have some of the emissions runs there. The best way to get your fuel pump engergized is to do so at the relay itself. It should be on your firewall, and should be sort of oval in shape.
To engergize it, just stick a pin through the hot wire that goes in, and the wire that runs to the ECM as well. Should engage the relay, and make the fuel pump run.
To engergize it, just stick a pin through the hot wire that goes in, and the wire that runs to the ECM as well. Should engage the relay, and make the fuel pump run.
Thread Starter
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
Thanks for the help with the fuel pump! Yes, its on the firewall (well hidden now) but I cut it off thinking it was a fan relay then had to solder it back on when the pump wouldn't prime before the first startup...
I asked this same question in this thread and no one could tell me that.
https://www.thirdgen.org/forums/elec...fuel-pump.html
I think I've also found out if you run a wire from the + on the battery to the RED wire on the relay it should prime...I'll try both ways tonight.
I asked this same question in this thread and no one could tell me that.
https://www.thirdgen.org/forums/elec...fuel-pump.html
I think I've also found out if you run a wire from the + on the battery to the RED wire on the relay it should prime...I'll try both ways tonight.
Thread Starter
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
TTT...anyone else possibly know why I would be missing some wires?
Im missing the SES Light Ground (D)
160 serial data Output (E)
Manual Trans/Auto Trans (F)
and the Fuel Pump Test Terminal (G)
Im missing the SES Light Ground (D)
160 serial data Output (E)
Manual Trans/Auto Trans (F)
and the Fuel Pump Test Terminal (G)
Joined: May 2004
Posts: 2,262
Likes: 1
From: houston
Car: 83 POS monte carlo 2015 chevy P/U
Engine: 92 5.7 tpi 5.3
Transmission: 700r4 6L60E
Axle/Gears: 2.42 too high
that diagram shows what went where on pretty much every GM car made that used that type of ALDL connector. some carbureted cars only had 3 wires in them, i have never seen any car that used all of the ports shown in that diagram. it seems that i have seen some that did have connections in ports J & L which that diagram shows as not used, but without going through my books i won't say for certain.
i don't remember when they stopped using the SES Light Ground D, i believe it was only used on cars that used a separate lamp driver module.
not all of the FI cars had a fuel pump test pin in the ALDL, same with the TCC pin.
your car doesn't have 160 data output so it shouldn't have a wire going to it.
i don't remember when they stopped using the SES Light Ground D, i believe it was only used on cars that used a separate lamp driver module.
not all of the FI cars had a fuel pump test pin in the ALDL, same with the TCC pin.
your car doesn't have 160 data output so it shouldn't have a wire going to it.
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