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Thread: 96 K2500 Transfer Case Switch?

  1. #1
    Join Date
    Jul 2001
    Location
    Windsor,California
    Posts
    206

    Default 96 K2500 Transfer Case Switch?

    Can the Transfer Case Switch that supplies power to the Front Axle Actuator be replaced without dropping the Transfer Case and where is said switch located? Also, does AC Delco offer the replacement switch and what is the correct p/n for a 96 K2500 Pickup 8600 GVWR? Rock Auto only lists a Dorman as available, a 2-pin p/n
    600506 and a 3-pin p/n 600502
    1996 Silverado K2500 ECLB 6.5TD - 4L80E - 4.10 Diff
    Diamond Eye 4" Turbo-Back Exhaust
    Flowmaster Downpipe + Crossover Tube
    Lubrication Specialist SS Oil Cooler Lines
    9 Blade Fan and JK Fan Clutch
    JK Quick Heat Glow Plugs
    Heath PMD Isolator System
    Racor 645 Fuel Filter
    PML Deep Trans Pan
    Amsoil ATF
    K+N Air Filter
    Bilstein Shocks
    PYO Alloys

  2. #2
    Join Date
    Feb 2012
    Location
    Pauline, SC
    Posts
    618

    Default

    I'm not sure about the right part ## but if you aren't sure you could purchase a "posi-lock" cable.... it installs without much work and when ya need 4x4 just pull the cable... mine would take forever to lock when the weather is cold, now I just pull the cable and go....
    1993 Chevy K3500

    owner - Twisted Steel Performance

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  3. #3
    Join Date
    Jul 2001
    Location
    Windsor,California
    Posts
    206

    Default

    Ordered the TCS off eBay for $10 - will R&R it next week and see if I get my 4WD back.
    1996 Silverado K2500 ECLB 6.5TD - 4L80E - 4.10 Diff
    Diamond Eye 4" Turbo-Back Exhaust
    Flowmaster Downpipe + Crossover Tube
    Lubrication Specialist SS Oil Cooler Lines
    9 Blade Fan and JK Fan Clutch
    JK Quick Heat Glow Plugs
    Heath PMD Isolator System
    Racor 645 Fuel Filter
    PML Deep Trans Pan
    Amsoil ATF
    K+N Air Filter
    Bilstein Shocks
    PYO Alloys

  4. #4
    Join Date
    Jan 2001
    Location
    Knoxville,Tennessee
    Posts
    2,639

    Default

    Did you get the correct switch? I had to change cases and the one I have now uses a TCA4 (3 wire long stem #15693423) and the original case had a TCA26 (2wire short stem).

    I am looking for a 2 wire long reach if they make such a thing.

    "The Constitution is not an instrument for the government to restrain the people, it is an instrument for the people to restrain the government."
    -Patrick Henry


    A5150nut
    2006 K3500 D/A
    94 6.5 4x4 5spd Sold

  5. #5
    Join Date
    Jul 2001
    Location
    Windsor,California
    Posts
    206

    Default

    I'm hoping I bought the right one as I got the 2-wire. It's supposed to be here today so guess I'll find out when I pull the old switch off .
    Last edited by Fishnfool; 06-17-2013 at 10:15.
    1996 Silverado K2500 ECLB 6.5TD - 4L80E - 4.10 Diff
    Diamond Eye 4" Turbo-Back Exhaust
    Flowmaster Downpipe + Crossover Tube
    Lubrication Specialist SS Oil Cooler Lines
    9 Blade Fan and JK Fan Clutch
    JK Quick Heat Glow Plugs
    Heath PMD Isolator System
    Racor 645 Fuel Filter
    PML Deep Trans Pan
    Amsoil ATF
    K+N Air Filter
    Bilstein Shocks
    PYO Alloys

  6. #6
    Join Date
    Jul 2001
    Location
    Windsor,California
    Posts
    206

    Default

    Found some more detailed info on nalleygmc.com - I searched based on a 96 K2500 and here's the p/n's that came up. Still looks like I wont know til I have the bugger off the truck as the info shows both p/n's working with either the 4L80E Auto Transmission or the 5 spd Manual but my bet is it's the 3-wire

    2-wire p/n 15582030

    SWITCH,TRFER CASE SEL(TYPE 241C)(PART TIME)(2 PIN CONNECTOR)(ON TRANSFER CASE). Required: 01

    For: K1,2 (1992-1992) (1992 - 1992).
    For: K1,2 GETRAG 5-SPD M/TRANS(MG5),4-SPD A/TRANS(MT1),5-SPD M/TRANS(MT8) (1993-1993) (1993 - 1993).
    For: K1,2 GETRAG 5-SPD M/TRANS(MG5),5-SPD M/TRANS(MT8) (1994-1994) (1994 - 1994).

    3-wire p/n 15693423

    SWITCH,TRFER CASE SEL(TYPE 241C)(PART TIME)(W/3 PIN CONNECTOR)(LOCATED ON TRANSFER CASE). Required: 01

    For: K1,2 4-SPD A/TRANS(M30) (1993-1993) (1993 - 1993).
    For: K1,2 4-SPD A/TRANS(MT1),(M30) (1994-1994) (1994 - 1994).
    Last edited by Fishnfool; 06-17-2013 at 10:14.
    1996 Silverado K2500 ECLB 6.5TD - 4L80E - 4.10 Diff
    Diamond Eye 4" Turbo-Back Exhaust
    Flowmaster Downpipe + Crossover Tube
    Lubrication Specialist SS Oil Cooler Lines
    9 Blade Fan and JK Fan Clutch
    JK Quick Heat Glow Plugs
    Heath PMD Isolator System
    Racor 645 Fuel Filter
    PML Deep Trans Pan
    Amsoil ATF
    K+N Air Filter
    Bilstein Shocks
    PYO Alloys

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