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Thread: 6.0l/4l80e swap into 66 chevy c10 truck..

  1. #1

    6.0l/4l80e swap into 66 chevy c10 truck..

    i am swapping a 6.0l lq4 and a 4l80e from a 2001 chevrolet 1500 hd into my 66 chevrolet C10 pickup. they have 80,000k miles on them. i was wondering if anyone could help me. from what i have seen the wires from the chassis section of the harness that are required to run the engine are as follows..

    C1- B11 - RED this wire feeds 12v Battery+ to ignition switch, hot at all times.

    C1 - A9 - PINK - this wire is FROM ignition switch, hot in RUN, START. This powers up fuses on block.

    C3 - F1 - GRAY - Power feed to fuel pump.

    In addition to those connections, you need to connect C100 pin C, Pink, to 12v+ RUN/START source. This wire feeds the Transmission Solenoids and PCM. The fuse for this wire is NOT in the underhood fuse block. The fuse was located in the underdash fuseblock in the 99+ pickups. You need to use a 10A fuse for this wire and hook to a RUN/START 12v+ source. This wire runs from C100 Pin C to Underhood Fuseblock C2 - E2. Inside the fuse block, it turns around and comes back out on C2 - F2. F2 then runs to the PCM and Transmission.

    does the info for the 12v+ wire to the transmission apply also to my 4l80e? also what is the correct way to wire the cruise control to work properly? i have been trying to track down all this wiring but i am having a hard time. i have asked around several different places looking for the pinouts for the c1 connector that connects the the under hood fuse box (not the pcm C1 connector) but no one seems willing to help. the only pinouts i found for that specific plug were for a 2005 and were completely different. if you could post them up or tell me where to find them i would really appreciate it. the C1 connector i am talking about is this one in the pic.
    thanks ahead of time,
    John


  2. #2
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    A1 ORN 40 Battery Positive Voltage

    A2 ORN 740 Battery Positive Voltage

    A3 BLK 28 Horn Relay Control

    A4 LT BLU 74 Park Lamp Switch Signal

    A5 ORN 1040 Battery Positive Voltage

    A6 BLK/WHT 451 Ground

    A7 BLK 550 Ground

    A8 Not Used

    A9 PNK 3 Ignition 1 Voltage

    A10 ORN 1740 Battery Positive Voltage

    A11-A12 Not Used

    B1 Not Used

    B2 PNK 94 Windshield Washer Switch Signal

    B3 DK GRN /WHT 1317 Fog Lamp Relay Control

    B4 PPL 34 Front Fog Lamps Supply Voltage

    B5 ORN 340 Battery Positive Voltage

    B6 BLK/WHT 174 Low Washer Fluid Indicator Supply Voltage

    B7 BLK 550 Ground

    B8 PPL 1093 Rear Defog Element Supply Voltage

    B9 Not Used

    B10 LT GRN 1324 Backup Lamp Supply Voltage

    B11 RED 242 Battery Positive Voltage

    B12 ORN 240 Battery Positive Voltage

    C1-C2 Not Used

    C3 PPL 524 Headlamp Dimmer Switch High Beam Signal

    C4 ORN 340 Battery Positive Voltage

    C5 ORN 2340 Battery Positive Voltage

    C6-C8 Not Used

    C9 ORN 1640 Battery Positive Voltage

    C10 PPL/WHT 1035 Starter Relay Coil Supply Voltage

    C10 LT GRN 2806 Starter Relay Coil Supply Voltage

    C11 LT BLU 1620 Trailer CHMSL Supply Voltage

    C12 Not Used

    D1 ORN 2040 Battery Positive Voltage

    D2 ORN 1940 Battery Positive Voltage

    D3 YEL 525 Headlamp Dimmer Switch Low Beam Signal

    D4-D8 Not Used

    D9 WHT 193 Rear Defog Relay Control

    D10 DK GRN 19 Right Rear Stop/Turn Lamp Supply Voltage

    D11 WHT 17 Stop lamp Switch Signal

    D12 ORN 540 Battery Positive Voltage

    E1 ORN 1140 Battery Positive Voltage

    E2 ORN 140 Battery Positive Voltage

    E3 DK BLU 15 Right Turn Signal Lamps Supply Voltage

    E4-E6 Not Used

    E7 LT BLU 203 A/C Request Signal

    E8 WHT 352 Headlamp Relay Coil Supply Voltage

    E9 DK GRN /WHT 266 Rear Window Washer Pump Supply Voltage

    E10 YEL 18 Left Rear Stop/Turn Lamp Supply Voltage

    E11-E12 Not Used

    F1-F2 Not Used

    F3 LT BLU 14 Left Turn Signal Lamps Supply Voltage

    F4 ORN 640 Battery Positive Voltage

    F5 ORN 2240 Battery Positive Voltage

    F6 ORN 2267 Mirror Heating Element Supply Voltage

    F7 LT GRN/BLK 592 DRL Relay Control

    F8-F9 Not Used

    F10 ORN 1140 Battery Positive Voltage

    F11 LT BLU 1320 CHMSL Supply Voltage

    F12 ORN 1540 Battery Positive Voltage

  3. #3

    thanks!!!

    thank you very much. i could not find that anywhere. now i can finish my interior harness.
    thanks again,
    John

  4. #4
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    You now owe us finished pics, etc.

  5. #5

    ok

    sounds fair enough to me.

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