gm map sensor hook up
10-08-2006, 02:13 PM
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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.
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