WWW.LT1SWAP.COM

[ HOME ]    [ PCM PROGRAMMING ]   [ WIRE HARNESS INFO  ]     [ VORTEC 8100 ]   [ VORTEC 6.0L ]   [ '62 IMPALA ]   

['67 CHEVY C10]     [GM ECM TUNING]    [ LINKS ]    [ PHOTO GALLERY ] 

Visit my Facebook page for a lot of New Pictures & Harness Guides  - E-Mail: brendan@lt1swap.com

See below for pinout info for the large connector that plugs into the bottom of the fuse block on 2010 Camaro L99 or LS3 6.2L

 

       
Engine Harness to Underhood Fuseblock connector X50A - Underhood X3  
Object Number: 2220560  Size: CH
       
       
       
       
       
       
       
       
       
       
       
       
       
Pin Wire Circuit Function  
1 1 PK/BK 5291 Ignition Voltage - Fuel Injectors/Coils 1,3,5,7, Fuse F10U 20A from powertrain relay
2 1 PK/BK 5292 Ignition Voltage - Fuel Injectors/Coils 2,4,6,8, Fuse F9U 20A from powertrain relay
3 0.5 PK 2139 Ignition Voltage (MYB or MYC) - Automatic Trans; F19U 20A from ignition run relay KR74
4 3 PU 6 Starter Solenoid Crank Voltage  
5 -- -- --  
6 0.5 YE 5991 Powertrain Relay Control  powertrain relay negative control
7 0.5 D-GN 335 Low Speed Cooling Fan Relay Control  
8 -- -- Not Used  
9 0.8 PK/BK 5294 Ignition Voltage - Heated Oxygen Sensor B1S2, B2S2, Fuse F8U  
10 -- -- Not Used  
11 -- -- Not Used  
12 0.5 PU/WH 6386 Starter Relay Control  
13 0.5 BK/WH 451 Ground  
14 0.5 PK 439 Ignition Voltage - ECM Pin 19, Fuse F20U 15A from ignition run relay KR74
15 -- -- Not Used  
16 0.8 PK/BK 5293 Ignition Voltage - Heated Oxygen Sensor B1S1, B2S1, and EVAP Purge Solenoid Pin A: Fuse F7U 10A from powertrain relay
17-18 -- -- Not Used  
19 0.8 PK/BK 5290 Ignition Voltage (L99 or LS3), ECM Pin 47, Fuse F5U 15A from powertrain relay
20-26 -- -- Not Used  
27 0.8 RD/WH 1840 Battery Positive Voltage (MYB or MYC) - Automatic Trans; F2U 15A  
28-35 -- -- Not Used  
36 0.5 D-GN/WH 459 A/C Compressor Clutch Relay Control  
37 -- -- Not Used  
38 0.5 D-BU 473 High Speed Cooling Fan Relay Control  
39-48 -- -- Not Used  
49 0.5 D-GN 59 A/C Compressor Clutch Supply Voltage  
50 0.5 PK 239 Ignition Voltage - Mass Airflow Sensor Pin C, Valve Lifter Oil Manifold Pin E, Fuse F14U 7.5A from ignition run relay KR74