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Jeep Wrangler YJ
YJ General Discussion
Upgrading Dash gauges
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<blockquote data-quote="machoheadgames" data-source="post: 430439" data-attributes="member: 18789"><p>They are all Electric.</p><p></p><p>4x4 - just a switch in the 4WD system that grounds the light bulb</p><p></p><p>Fuel level - based off of resistance from fuel sender</p><p></p><p>coolant temp - based off of a sender that measures resistance to ground and reports it to the gauge. Can’t really be mechanical. </p><p></p><p>Oil pressure - electric unit threaded into the block, could have a manual line threaded in instead and run to the gauge.</p><p></p><p>Voltmeter, just a simple 12V connection.</p><p></p><p>Tachometer - electrical signal sent by computer to the gauge</p><p></p><p>speedometer - electrical signal sent by vehicle speed sensor at the transfer case. I would recommend leaving it electronic.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 430439, member: 18789"] They are all Electric. 4x4 - just a switch in the 4WD system that grounds the light bulb Fuel level - based off of resistance from fuel sender coolant temp - based off of a sender that measures resistance to ground and reports it to the gauge. Can’t really be mechanical. Oil pressure - electric unit threaded into the block, could have a manual line threaded in instead and run to the gauge. Voltmeter, just a simple 12V connection. Tachometer - electrical signal sent by computer to the gauge speedometer - electrical signal sent by vehicle speed sensor at the transfer case. I would recommend leaving it electronic. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Upgrading Dash gauges
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