Need help with my B4C 1LE- ALDL
11-07-2014, 09:43 AM
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Car: 1985 firebird
Engine: 350 .40 over
Transmission: 5 speed borg(NWC), ram clutch
Axle/Gears: ROTATING MERCURY DRIVE.
Need help with my B4C 1LE- ALDL
hey everyone so my dad and I are trying to set the IAC and TPS but when we go under the dash to jump the computer into diagnostic mode, the ALDL plug is missing a lot of connections. I have a factory service manual and a bunch of stuff off this site. so this is the question I need to find the color of the diagnostic wire and I think it is orange. and the ground is black with white tracer. if anyone has had this issue or can help out it would be great thank you.
11-07-2014, 02:09 PM
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Car: check
Engine: check
Transmission: check
Re: Need help with my B4C 1LE- ALDL
On an '85 TPI (and newer for that matter) it is pins A & B on the ALDL connector. A being ground (BLK or BLK/WHT), and B being the diagnostic lead (WHT/BLK).
RBob.
RBob.
11-07-2014, 03:44 PM
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Join Date: Jul 2012
Location: Scorched Earth, AZ
Posts: 157
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Car: 1985 firebird
Engine: 350 .40 over
Transmission: 5 speed borg(NWC), ram clutch
Axle/Gears: ROTATING MERCURY DRIVE.
Re: Need help with my B4C 1LE- ALDL
Thank you for the info. I will be checking that and I will let you know how it does thanks bob
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