*** Disclaimer: I had a bad cold when making this video and man, did I get some stuff backwards. Fundamentally what I say in the video about how the system works is correct, but when I talk about when solenoids are on or off based on a voltage reading, or the front diff actuator rod is in or out, I may have it backwards. Sorry folks. ***

Following on from diagnosing that my 4WD "Super Select" aka "Active Trac" 4WD engagement solenoids are the root cause of 4WD engagement issues on the NL Pajero, I decided to dig a little deeper and see exactly how these buggers work.

It's actually a really reliable system (aside from those dang solenoids LOL). The control box does very little other than tell you whether it thinks 4WD is working properly, but you could literally remove the control box completely and, assuming the solenoids and vacuum lines are OK, have a fully functioning 2WD/4WD selection system.

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