Please read carefully, if you read everything and are still a little confused please email us and we'll answer any questions. RCautoworks@gmail.com
This service is only if you ordered a Haltech 550/750 computer with our plug and play harness and you need the WB1 wired into the harness. Unlike the Haltech 1500/2500 ECU, the 550 and 750 ECU do not have a com port in the front of the ECU. This means a plug has to be wired into our harness if you want the WB1 to plug right in.
We will wire in the