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Jeep Wrangler YJ
YJ General Discussion
Speedometer Calibration?
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<blockquote data-quote="machoheadgames" data-source="post: 434263" data-attributes="member: 18789"><p>Should be fine. Your 92 is a 3 wire Hall effect. A 91 would have been a 2 wire reed switch but it spits out the same speed signal as the 3 wire hall. So I’m sure you should be fine. Can you post the speedo instructions for what you’re buying?</p><p></p><p>The 92-95 3 wire speedo is an 8v power supply to speed sensor from PCM, sensor ground, and a 3rd wire that the sensor pulses to provide speed feedback back to the pcm and the gauge. I would imagine that third wire is the one providing speed input to your new autometer gauge.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 434263, member: 18789"] Should be fine. Your 92 is a 3 wire Hall effect. A 91 would have been a 2 wire reed switch but it spits out the same speed signal as the 3 wire hall. So I’m sure you should be fine. Can you post the speedo instructions for what you’re buying? The 92-95 3 wire speedo is an 8v power supply to speed sensor from PCM, sensor ground, and a 3rd wire that the sensor pulses to provide speed feedback back to the pcm and the gauge. I would imagine that third wire is the one providing speed input to your new autometer gauge. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Speedometer Calibration?
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