2003 s10 speed sensor wiring

This topic has 8 replies, 2 voices, and was last updated 7 years, 8 months ago by Richard Kirshy.

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June 3, 2017 at 10:18 pm #881096
Luke
Participant
I am splicing the correct speed sensor wire connector but on the original it is green and purple but on new wire connector it is black and purple which way do I wire it???
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June 4, 2017 at 12:14 am #881100
Richard Kirshy
Participant
My thought is that the black is ground and the purple (green) is signal.
These sensors are self powered, meaning the revolutions inside the case generate the signal needed to create movement in the speedometer.
June 4, 2017 at 3:29 am #881107
Luke
Participant
So new harness purple to ? And black on new harness to ?
June 4, 2017 at 4:35 am #881112
Richard Kirshy
Participant
Ok,
Lets play ..fill in the blanks
Speed sensor Pin 1 color __________
Speed sensor Pin 2 color __________
Car harness Pin 1 color __________
Car harness Pin 2 color__________
As I stated, Black is ground, You should be able to verify using an DVOM.
The other wire (purple or green ) would be signal.
June 4, 2017 at 6:22 am #881113
Luke
Participant
Speed sensor pin 1 purple
Speed sensor pin 2 black
Car pin 1 purple
Car pin 2 green
June 4, 2017 at 6:23 am #881114
Luke
Participant
So is green or purple on car ground I got to splice in the other sensorry harness
June 4, 2017 at 7:12 am #881115
Richard Kirshy
Participant
Speed sensor pin 1 purple (signal wire)
Speed sensor pin 2 black to Car pin 2 green (ground wire)
Suggest that you verify ground by using a DVOM.
June 4, 2017 at 10:08 pm #881127
Luke
Participant
Thank u
June 4, 2017 at 10:59 pm #881129
Richard Kirshy
Participant
Keep us posted and good luck.
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