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ECU wiring diagram

Discussion in 'Tech Info' started by 05Ram1500_5.7hemi, Feb 10, 2015.

  1. 05Ram1500_5.7hemi

    05Ram1500_5.7hemi Member

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    I need the ecu harness wiring diagram for an 05 5.7 1500. Any ideas where I can find one? I need it for an Airfuel gauge so I can splice into the 02 sensor signal wire
     
  2. 05daytona

    05daytona Senior Member

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    Here's a left front. Is that what you want?
     

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  3. 05Ram1500_5.7hemi

    05Ram1500_5.7hemi Member

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    Yeah Ineed to splice into the signal wire before the PCM do you happen to have the full PCM wiring diagram so I can figure which wire it is?
     
  4. 05daytona

    05daytona Senior Member

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    This maybe?
     

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    Last edited: Feb 11, 2015
  5. 05Ram1500_5.7hemi

    05Ram1500_5.7hemi Member

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    Sorry I ment to say ECU, there's 3 wiring harneses that plug into the ECU I need to find the wire that has the signal wire from the O2 sensor.
     
  6. 05daytona

    05daytona Senior Member

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    Is it one of these?
     

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