GM MAP Sensors

[Dave Andruczyk]

> Does anyone here know which wires do what on the GM Map sensors? I'm also
> wondering what the signal range is on the two, and three bar map sensors. Is
> it just a voltage range, like 0-5v?

Yep,  the map sensor is typically just a variable resistor.
o volts goies in one term, 5 volts on the other, and the middle line (
sometimes) is the output. ( wiper of the pot)

you can tell which is which witha voltmeter..
ends have the highest resistance between them.

Dave