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HZ dash gauges problem

Maxy

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Nov 25, 2021
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HZ GTS
all my HZ gauges aren't working and have done basic test at senders... is there a resistor in back of gauge cluster that can be a problem?
 

the_boozer

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hilux
the dash regulator is probably burnt out, it turns 12 volt into 8? for the gauges. might be 5 volt cant remember.
Its marked what it is on the HZ drawing Id post that but I gave that book away years ago
 

07GTS

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yea they have a 5v reg for the gauges, when it fails it pumps out full volts to the gauges and if they are at a lower ohms it frys them, they can be rewound and calibrated and elec reg fitted so it dosnt happen again
 
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