How To Simulate Automatic Transmission Solenoids
This post contains affiliate links. If you make a purchase through one of those links, we get a little slice of the profit, at no extra cost to you! We provide these links because we have found the items useful to us, and hope they will be useful to you too. If you're swapping in a 3.4 engine and ECU from a vehicle with an automatic transmission into a vehicle with a manual transmission, the ECU will be expecting signals from the automatic transmission solenoids. If it doesn't see those signals, it will illuminate the check engine light (CEL), also called a malfunction indicator lamp (MIL). To avoid that, the signals can be spoofed or simulated using resistors. If you know how to use a soldering iron, then this is…