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  • Send Us Your Wiring Harness
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  • Send Us Your Gen 4 (58x) Wiring Harness

Send Us Your Gen 4 (58x) Wiring Harness

SKU:
CA$699.00
CA$699.00
Unavailable
per item

If you have a used OEM wiring harness that is in good condition (i.e. that came with the purchase of a used LSx engine), and you are content with the overall layout of the wiring harness, we can rework this wiring harness for standalone use in a custom vehicle application. The cost of reworking your used wiring harness is generally about half of the cost of purchasing a new wiring harness.


Please contact us by email BEFORE shipping your wiring harness (and computer) to be reworked. We will confirm that your wiring harness is not damaged, its platform origin, your intended purpose for the wiring harness, and the compatibility of all components.


After we receive your wiring harness (and computer), it will be inspected for damage and cleaned. If there is any significant damage, we will advise you via email - as this damage may incur additional costs. You will also be emailed an approximate completion time frame.

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The Gen 4 (58x) Wiring Harness rework service includes:

  • thoroughly clean and inspect the wiring harness
  • remove unnecessary connectors and wires
  • install new split loom wire coverings
  • install a Fuse Block and Fuel Pump Relay
  • install a DLC (OBD-II) Port
  • add ECM output wires for electric cooling fans (additional ECM programming required)
  • add ECM output wires for speedometer (additional ECM programming required)
  • add ECM output wires for tachometer (additional ECM programming required)
  • label component connectors
  • label ECM output wires

You may also include your ECM (engine computer) and TCM (transmission computer) in the box that you send us with your wiring harness, if you would like us to program these for you (at an additional cost).

TCM programming includes configuring all of the shift speeds for your tire size and rear axle gear ratio.

You may choose from two ECM programming options:

VATS Only - disable the Vehicle Anti Theft System (VATS).  No other changes are made.  This will allow you to start the engine in your project vehicle, in a standalone application.

COMPLETE - this option includes disabling VATS, and configuring your components.  We will also adjust the gear ratio, tire size, speedometer output, tachometer output, DTCs, electric cooling fan(s), and disable unnecessary components - plus anything else that you require.

*** A modified engine will likely require additional custom programming (not included) for optimal performance and drivability ***

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  • Home
  • Wiring Harnesses
    • Gen 3 - 24x CKP >
      • Drive-by-cable manual
      • Drive-by-cable 4L60
      • Drive-by-cable 4L80
      • Drive-by-wire manual
      • Drive-by-wire 4L60
      • Drive-by-wire 4L80
    • Gen 4 - 58x CKP >
      • manual transmission
      • 4L65 / 4L70 transmission
      • 4L80 transmission
      • 6L80 / 6L90 transmission
    • Gen 5 - LT >
      • 6L80 / 6L90 Transmission
    • Rework Your Harness >
      • Send Us Your Gen 3 (24x) Wiring Harness
      • Send Us Your Gen 4 (58x) Wiring Harness
      • Send Us Your Gen 5 LTx Wiring Harness
  • Computers
    • Tuning Services
    • Diagnostic Services
    • Program Your Computer >
      • Send Us Your LS1 PCM
      • Send Us Your Vortec PCM
      • Send Us Your LT1 PCM
      • Send Us Your E37 ECM
      • Send Us Your E38 ECM
      • Send Us Your E67 ECM
      • Send Us Your E78 ECM
      • Send us your E92 ECM
      • Send Us Your T42 TCM
      • Send Us Your T43 TCM
    • DIY Programming >
      • Programming Overview
      • Interface Module
      • Programming Harnesses >
        • LS1 PCM harness
        • LT1 PCM - 1994 & 1995
        • LT1 PCM - 1996 & 1997
        • Vortec PCM harness
        • E37 ECM harness
        • E38 ECM harness
        • E67 ECM harness
        • E78 ECM harness
        • E92 ECM harness
        • T42 TCM harness
        • T43 TCM harness
        • T87 TCM harness
  • Connectors & DIY
    • DIY Items >
      • Firewall Grommet
      • DIY Fuse Block Kit
    • One Option Connectors >
      • A/C Pressure Sensor
      • Ignition Coil
      • DLC (OBD-II) Port
      • ECT Sensor
      • IAC Sensor
      • ISS
      • Throttle Body - Gen 4
      • TPS
      • VSS
    • Alternator >
      • 2 pin Alternator
      • 4 pin Alternator
      • 1994 - 1997 LT1 Pigtail
    • Accelerator Pedal >
      • APP - Delphi
      • APP - TE Connectivity
    • Crankshaft Sensor >
      • CKP - Gen 3 (24x)
      • CKP - Gen 4 (58x)
    • Camshaft Sensor >
      • CMP - Gen 3 (1x)
      • CMP - Gen 4 (4x)
    • Fuel Injector >
      • EV1 - Gen 3 (cars)
      • EV6 - Gen 4
    • Knock Sensor >
      • Gen 3 (24x)
      • Gen 4 (58x)
    • MAF Sensor >
      • MAF - Gen 3 and LS2
      • MAF - LS3
    • MAP Sensor >
      • MAP - Delphi
      • MAP - Bosch
    • Oxygen Sensor >
      • Female - black in colour
      • Male - black in colour
      • Female - grey in colour
      • Male - grey in colour
    • Transmission - 4 speed automatic >
      • Connector - 4 speed auto
      • Terminals - 4 speed auto
      • Gear Position Switch
    • Metri-Pack >
      • 2-way connectors >
        • 2-way female
        • 2-way male
      • 3-way connectors >
        • 3-way female
        • 3-way male
      • 4-way connectors >
        • 4-way female
        • 4-way male
      • 6-way connectors >
        • 6-way female
        • 6-way male
      • 8-way connectors >
        • 8-way female
        • 8-way male
      • 10-way connectors >
        • 10-way female
        • 10-way male
    • LS1 PCM >
      • Connector only
      • Connector and Blue retainers
      • Connector and Red Retainers
      • Connector and Green Retainers
      • Terminals - LS1 PCM
    • E38 ECM >
      • E38 Connector Kit
      • Terminals - E38 ECM
    • E67 ECM >
      • E67 Connector Kit
      • Terminals - E67 ECM
  • Tech
    • What is an LSx engine ?
    • LSx Transmissions
    • Gen 5 Direct Injection >
      • Conversion Information
      • Gauges & Senders
    • Vehicle Speed Signal (VSS)
    • Emissions
    • Tow / Haul Mode
    • Tap Shift - 6L80 / 6L90
    • Electric Throttlebody >
      • Gen 3 (24x)
      • Gen 4 (58x)
    • Cruise Control >
      • Gen 3 (24x) - DBC
      • Gen 3 (24x) - DBW
      • Gen 4 (58x)
  • Terms & Conditions
    • Payments / Shipping / Liability / Returns
    • About Us
    • Why LRtronix ?
    • Contact Us