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2014 massimo hs700 efi speedometer reads zero


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New to the forum looking for information from the experts.  Brother bought a Massimo hs700 from a friend, needed a new rear axle.  Got it home drove it around a little (since it still had 3 axles)and noticed the speedometer reads zero.  Replaced the axle and put a new spd sensor in it and still doesn't work.  Bench Tested the old sensor and it worked.  Unplugged and Checked the wiring from instrument cluster with key on  and I get 6.8v from signal and 7.2v from the power supply.  Isn't it supposed to be 12v power supply zero volts signal.  Has analog speedometer.

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21 hours ago, Jacob Keith said:

New to the forum looking for information from the experts.  Brother bought a Massimo hs700 from a friend, needed a new rear axle.  Got it home drove it around a little (since it still had 3 axles)and noticed the speedometer reads zero.  Replaced the axle and put a new spd sensor in it and still doesn't work.  Bench Tested the old sensor and it worked.  Unplugged and Checked the wiring from instrument cluster with key on  and I get 6.8v from signal and 7.2v from the power supply.  Isn't it supposed to be 12v power supply zero volts signal.  Has analog speedometer.

Screenshot_20220401-114228_Chrome.thumb.jpg.bb6d9f64da694ba4080de098dbea67ee.jpg

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I'm just kinda assuming the instrument cluster is bad, just wondering if anyone can confirm on theirs, im pretty sure blue signal should have 0v from instrument cluster.  I know its a cheap rhino clone but rhinos used  a different speed sensor and location. So I can't look anything up on that

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