gm map sensor hook up
Honda-Tech Member
Joined: Nov 2003
Posts: 1,900
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From: TX, USA
Re: gm map sensor hook up (aldong)
If you are using the GM 3 bar map sensor, it goes as follows:
Looking at the connector, with the locking pin on top, The left pin is "C", middle is "B", and right is "A".
A- Map sensor 5V input
B- Map sensor signal output
C- Map sensor ground
On my OBD1 prelude, Blu/Wht (ground), Red/Wht (5V power), & Wht/Blu (Map Sensor signal) from the map sensor connector. If going from the ECU, then D21 is ground, D19 is Map 5V power, & D17 is Map signal.
Looking at the connector, with the locking pin on top, The left pin is "C", middle is "B", and right is "A".
A- Map sensor 5V input
B- Map sensor signal output
C- Map sensor ground
On my OBD1 prelude, Blu/Wht (ground), Red/Wht (5V power), & Wht/Blu (Map Sensor signal) from the map sensor connector. If going from the ECU, then D21 is ground, D19 is Map 5V power, & D17 is Map signal.
Mr. Badwrench
Joined: May 2002
Posts: 14,146
Likes: 2
From: stranger in a strange land
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