As above, but they can also be made to work without the BECM if you are handy constructing relay assemblies.Check bcem is Highline, been covered many times before
Paper label on the top of mine.Whereoon it is this h or l meant to be, can't see it.
Sweet mine has a H on it! Does that mean electric seats can just plug straight into it?
What is the harnesses? The plastic bases the seats sit on?
My dt dont have a sunroof but has got climate control so has a high line becm