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With the ignition switch in the ON or START position, power is supplied I through 7.5A fuse [No. 4 , located in the fuse block (J/B)] I to combination meter terminal q 41 . Ground is supplied I to combination meter terminal q 39 I through body grounds M14 and M47 . FUEL GAUGE The fuel gauge indicates the approximate fuel level in the fuel tank. I to combination meter terminal q 8 for the fuel gauge I from terminal q 5 of the fuel level sensor unit I through terminal q 4 of the fuel level sensor unit and I through ECM terminal 129 . WATER TEMPERATURE GAUGE The water temperature gauge indicates the engine coolant temperature. The reading on the gauge is based q 7 of the combination meter for the water temperature gauge. The needle on the gauge moves from “C” to “H”. TACHOMETER The tachometer indicates engine speed in revolutions per minute (rpm). I from terminal q 52 of the ECM I to combination meter terminal q 13 for the tachometer. SPEEDOMETER The vehicle speed sensor sends a voltage signal to the combination meter for the speedometer. I to combination meter terminals q 12 and q 14 for the speedometer I from terminals q 1 and q 2 of the vehicle speed sensor. The speedometer converts the voltage into the vehicle speed displayed. GI MA EM LC EC FE AT PD FA RA BR ST RS BT HA IDX METER AND GAUGES System Description (Cont’d) EL-143 |