top of page
MaxxECU RACE H2O PREMIUM (ECU, flying leadharnesses, accessories, LSU)

MaxxECU RACE H2O PREMIUM (ECU, flying leadharnesses, accessories, LSU)


MaxxECU RACE, based on our MaxxECU PRO and uses the same easy to use, yet powerful MTune software.


  • Waterprotected (IP67)
  • All 3-12 cylinder engines (4-stroke)
  • Up to 8 cylinders fully sequentially
  • Up to 12 cylinders in wasted spark
  • Lambda (WBO) sensor. Supports Bosch LSU 4.2, 4.9
  • 2 trigger inputs. VR or digital. Automatic trigger level detection
  • 2 extra temperature sensors
  • 2 knock sensor inputs
  • 6 extra 0-5V inputs
  • 4 extra digital inputs (VR / hall) or switches
  • 8 EGT TYPE-K/N inputs (1200C/2200F) in separate harness
  • 8 peak/hold injector outputs
  • 8 ignition outputs
  • 9 extra LOW DRIVING outputs for additional features
  • 2 extra +12V DRIVING outputs
  • 4 extra motor outputs
  • Additional Wiring

    We DO NOT offer body wiring of any sort in our engine harnesses.  Body, meaning controled by body, ie......alternator, tail lights, revers lights etc.  If you are interested in additional wiring, contact us before ordering

  • warranty and refunds

    •  Fulfillment: Orders are fulfilled in the order they are received subject to build time. Estimated fulfillment times vary by product and are displayed on the web page or in the info section of the product


    • Warranty: Due to the custom production of our products, warranties will be handled on a case by case basis. If the harness has been opened or modified and anyway the warranty is void.


    • Returns: Returns will be accepted no more than 30 days after delivery date. All merchandise must be in new condition and may be be subject to a restocking fee. Custom orders are not returnable.


    • Refunds: Refunds will be processed within 5-10 business days of receipt of return or cancellation, subject to payment processor afterpay,etc.....


    • Cancellations: Orders canceled by customer are subject to a $300.00 cancellation fee.
    • Social Media: We reserve the right to prosecute anyone who puts My Wire Shop LLC in a negative light on any social media or search platforms.
  • Refunds on special or modified requests

     These orders are not refundable. This is pertaining to any unlisted item or modified item. Such as a different ecu...engine etc

bottom of page