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         1982 - 1992 Camaro / Firebird Dash / ECM harness C207 & C221 Wiring Connectors  | 
    
Not all years and cars are covered yet, but with a little help I can complete this list over time to include every make, model and 'flavor' of the 82-92 Camaro and Firebird F Body cars. If you have information that's not covered on the list below; please E-Mail me with any information you can add to the list !! I hope that this Info will help you to successfully complete your project;
1982 C207
  
  PIN Color From / To (Notes)
  A     Brn ALDL / ECM (AIR control) 
  B 
  C     Wht Light Driver / ECM 
  D     Tan Oil Pres / Gage (L4)
  E     Wht/Blk ALDL / ECM (test) 
  F     Pnk/Blk IGN fuse / EGR-ECM
  G     Pnk/Blk Gge fuse / AC Comp Relay
  H     Tan/Blk ALDL / TCC-ECM
  J 
  K*   Brn ECM / VSS
  K*   Ppl Brake / TCC ( V6 )
  L     Org/Blk ECM / P/N switch ( V6 ) 
  M    Blk/Wht VSS,P/N switch / Grd
  N    Org/Blk ECM / P/N switch ( V8 ) 
  P*   Ppl Brake / TCC ( V8 ) 
  P*   Brn ECM / VSS 
  
  
  
  
  1984 C207
  
  PIN Color From / To (Notes)
  A     Brn ALDL / ECM (AIR control) 
  B     Dk Blue BU Fuse / Back Up Switch ( T5 only ) 
  C     Wht/Grn Light Driver / ECM 
  D     Tan Oil Pres / Gauge (L4)
  E     Wht/Blk ALDL / ECM (test) 
  F     Pnk/Blk IGN fuse / EGR-ECM
  G     Lt Green BU switch / Rev Lights ( T5 Only ) 
  H     Tan/Blk ALDL / TCC-ECM
  J      Org ALDL / ECM ( L4)
  K    Brn  ECM / VSS 
  L     Tan/Wht  Fuel Relay / Fuel Pump ( L4 ) 
  M    Blk/Wht VSS, P/N switch / Grd
  N    Org/Blk ECM / P/N switch 
  P     Ppl Brake / TCC ( V8 ) 
  R     Ppl Crk Fuse / EFI (L4) 
  
  
  1985 C207
  
  PIN Color From / To (Notes)
  A     Brn ALDL (pin C) / ECM (AIR control) 
  B*   Dk Blue BU Fuse / Back Up Switch ( V8 T5 ) 
  B*   Red ALDL / Fuel Relay ( V6 - TPI )
  B*   Org/Blk FP FUSE / Fuel Relay ( L4 )
  C*   Brn/Wht ECM / CE Light ( L4- V6 - TPI )
  C*   Wht/Grn Light Driver / ECM ( LG4 & L69 )
  D*   Blk/Org FP/INJ fuse / Fuel Relay ( L69 ) 
  D*   Tan/Wht Fuel Relay / Fuel Pump ( V6 ) 
  D*   Lt Blue Fuel Relay / Fuel Pump ( TPI ) 
  D*   Tan Oil Pr Sensor / Oil Pr Gauge ( L4 ) 
  E     Wht/Blk ALDL / ECM (test) 
  F     Pnk/Blk IGN fuse / EGR-ECM
  G*   Dk Blue BU Fuse / Back Up Switch ( V8 T5 )
  G*   Pnk/Blk Gage Fuse / MAF Relay ( V6)
  G*   Pnk/Blk Gage Fuse / Burn Off Relay ( TPI ) 
  G*   Pnk/Blk Gage Fuse / Air Cond Relay ( L4 )
  H     Tan/Blk ALDL / TCC-ECM
  J*    Ppl Starter / Fuel Relay ( L69 ) 
  J*    Org ALDL / ECM ( L4 - TPI ) 
  K     Brn ECM / VSS 
  L     Tan/Wht Fuel Relay / Fuel Pump ( L4 - L69 ) 
  M    Blk/Wht VSS,P/N switch / Grd
  N     Org/Blk ECM / P/N switch 
  P     Ppl Brake / TCC 
  R     Ppl/Wht Crank Fuse / Cold Start-ECM ( V6-L4 )
  
  
  Plug C221
   
  
  A     Pnk/Blk Inj2 Fuse / Even Fuel Injectors
  B     Lt Green Back Up Switch / BU Lights ( V6-T5 ) 
  C     Brn Fuel Pump-Fan Fuse / Fan Relay ( V6 - TPI )
  D     Pnk/Blk Inj1 Fuse / Odd Fuel Injectors
  E 
  F     Dk Blue Back Up Fuse / Back Up Switch ( V6-T5 ) 
  
  
  
  1986 & 1987 C207 ( TPI )
  
  PIN Color From / To (Notes)
  A     Brn ALDL / ECM (AIR control) 
  B     Red ALDL / Fuel Relay ( TPI )
  C     Brn/Wht ECM / CE Light ( TPI )
  D     Tan/Wht Fuel Relay / Fuel Pump ( TPI ) 
  E     Wht/Blk ALDL / ECM (test) 
  F     Pnk/Blk IGN fuse / EGR-ECM
  G     Pnk/Blk Gage Fuse / Burn Off Relay ( TPI ) 
  H     Tan/Blk ALDL / TCC-ECM
  J      Org ALDL / ECM ( TPI ) 
  K     Brn ECM / Speed Buffer 
  L     Tan/Wht Fuel Relay / Fuel Pump ( L69 ) 
  M    Blk/Wht VSS,P/N switch / Grd
  N     Org/Blk ECM / P/N switch 
  P     Ppl Brake / TCC 
  R     Ppl/Wht Crank Fuse / Cold Start-ECM ( V6 )
  
  Plug C221
   
  
  A     Pnk/Blk Inj2 Fuse / Even Fuel Injectors
  B     Lt Green Back Up Switch / BU Lights ( V6-T5 ) 
  C     Brn Fuel Pump-Fan Fuse / Fan Relay ( V6 - TPI )
  D     Pnk/Blk Inj1 Fuse / Odd Fuel Injectors
  E 
  F     Dk Blue Back Up Fuse / Back Up Switch ( V6-T5 ) 
  
  
  1988  C207  
  (maybe 89 too)
  
  PIN Color From / To (Notes)
  A     Brn ALDL (pin C) / ECM (AIR control) 
  B*   Pnk (Red) INJ1 TBI (TBI) 
  B*   Pnk/Blk (Pink) INJ1 (V6)
  B*   Pnk/Blk (Black) INJ1 (TPI)
  C*   Brn/Wht ECM / CE Light 
  D*   Brown (Tan/Wht ) Fan
  E     Wht/Blk ALDL (pin B) / ECM (test) 
  F     Pnk/Blk IGN fuse / ECM
  G*  Pnk/Blk (White) INJ2 TBI (TBI) 
  G*  Pnk/Blk (Pnk/Black) INJ2 / (V6)
  G*  Pnk/Blk (Black) INJ2 (TPI)
  H    Tan/Blk ALDL / TCC-ECM (auto) 
  H    Tan/Blk ALDL / Upshift (stick) 
  J*   Org ALDL (pin E) / ECM 
  K    Brn/Yellow (brown) ECM / Buffer 
  L     Drk Blue  (purple) Vats to ECM
  M    Blk/Wht VSS,P/N switch / Grd
  N    Org/Blk ECM / P/N switch 
  P 
  R     Ppl/Wht Crank Fuse / Cold 
  Start-ECM
  
   
  1990 - 1992 C207
  
  PIN Color From / To (Notes)
  A     Brown  ( TBI )  
  B*   Pnk (Red) INJ1 TBI (TBI) 
  B*   Pnk/Blk INJ1 (V6 / TPI)
  C     Brn/Wht ECM / CE Light 
  D     Grey Speed ECM to Cluster (Not with TBI) 
  E     Wht/Blk ALDL (pin B) / ECM (test) 
  F     Pnk/Blk ECM fuse / ECM
  G*   Pink/Blk (white) INJ2 TBI (TBI) 
  G*   Pnk/Blk  (INJ2 V6 TPI)
  H*   Tan/Blk ALDL / TCC-ECM (auto) 
  H*   Tan/Blk ALDL / Upshift (stick) 
  J      Org ALDL (pin E) / ECM 
  K     Brown  ECM / Buffer (Only TBI)
  L     Drk Blue  Vats to ECM
  M    Org  Interior Lights
  N    Org/Blk ECM / P/N switch 
  P     Red Speed Sensor (Not with TBI) 
  R     Ppl/Wht Crank Fuse / Cold 
  Start-(only TBI)
  
  On several of the diagrams the wire color changed from one side of the plug to 
  the other ( dash harness vs. ECM harness.) In this case I used the DASH 
  harness color ( some ECM harness side wire colors specified in ( ) ). I did not take 
  the time to pull out each of the dash harnesses - so It's possible that I 
  missed a wire or 2. If anyone spots a problem just let me know and I'll edit.
  
  
  
  
  
  Hope this helps !