This will allow the computer to supply a reference voltage to the map sensor.
Gm 4 bar map sensor wiring.
It is buyer s responsibility to make sure parts purchased here is the correct part.
Formula for the gm 3 bar map sensor is v 8 94 14 53 i have no idea why it s 14 53 and not 14 696 rounds up to 14 7 but it works out on gm s chart every time.
You need to identify the signal reference and ground wires using your vehicle repair manual.
N c 3 m s p o n s o g r 2 e q d b f 1.
4 bar map sensor for gm style megasquirt motec electromotive turbo with plug.
Turn the ignition key to the on position but don t start the engine.
Gm 4 bar map sensor kit custom turbo 4bar 12223861 manifold pressure as210 45psi see more like this.
Aem 30 2130 50 50 psia or 3 5 bar map sensor kit 4 7 out of 5 stars 20.
Turbo boost with wire plug pigtail 4 bar map manifold pressure sensor for gm see more like this.
This is aftermarket replacement parts.
New gm 4 bar map manifold pressure sensor turbo boost with wire plug pigtail 5 0 out of 5 stars 1.
The map sensor uses a three wire connector.
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It is possible that detroit is slightly above sea level and you can use 12 11 in the formula for 1 mile above sea level.
Buyer must confirm the fitment with the dealer or other reliance sources of their choice prior to making purchase.
Formula for the gm 3 bar map sensor is v 8 94 14 53 i have no idea why it s 14 53 and not 14 696 rounds up to 14 7 but it works out on gm s chart every time.
Checking for reference voltage.