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Home >> Isuzu >> 1998 >> Oasis LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Component Tests >> Temperature Gauge Test

Temperature Gauge Test

CAUTION: In the following tests, turn ignition off before gauge pointer reaches "H" mark. Failure to turn ignition off before pointer reaches "H" mark may damage gauge.
  1. Turn ignition off. Check fuse No. 1 (10-amp) in underdash fuse/relay block. Disconnect and ground electrical connector to coolant temperature gauge sending unit. Turn ignition on. Ensure gauge pointer starts to move toward "H" mark.
  2. If gauge pointer does not move, check for open in Yellow or Yellow/Green wire. If circuits are okay, replace temperature gauge. If gauge is okay, check temperature gauge sending unit. See TEMPERATURE GAUGE SENDING UNIT TEST below.
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