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Message: <blockquote data-quote="decipha" data-source="post: 1241070" data-attributes="member: 19128">none of that helps, i need an actual visual display of the components or even a wiring diagram will sufficeAFAIK it interrupts the TCIL and TCS (transmission control switch - o/d cancel) circuit for a monetary condition (TCS)reason being is that the TCIL (transmission control indication lamp) is used by the the low speed fanthe trickery that henry did was allow a +12v to actuate the tcs and a ground out to actual tcil, that module should be nothing more than a couple transistors and maybe a relay or two depending on if they isolated the circuits (i suspect they did)disabling the tcs and low speed fan should allow you to use the ecu without the module</blockquote>