Amccutc21 Posted November 9, 2017 Share Posted November 9, 2017 My tach lights are not working and driving at night without them is less than ideal, so id like to resolve the issue. I assume this is a common problem with comanches because of the 2 ive owned, both shared this issue. Any suggestions on tracking down this problem? Light indicators such as the high beam symbol still light up on the dash. The truck is an 89, 4.0. 5-speed, 4-wheel drive. Link to comment Share on other sites More sharing options...
carnuck Posted November 9, 2017 Share Posted November 9, 2017 In dash with speedometer and gauges tach? Should only be a bad bulb unless everything is out. If they are all out and the headlight switch isn’t twisted to dim then I’d say bad resistor in the switch or burnt out bulbs. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
watchamakalit Posted November 11, 2017 Share Posted November 11, 2017 In dash with speedometer and gauges tach? Should only be a bad bulb unless everything is out. If they are all out and the headlight switch isn’t twisted to dim then I’d say bad resistor in the switch or burnt out bulbs. Sent from my iPhone using Tapatalk Don't forget blown fuse....Sent from my LG-D850 using Tapatalk Link to comment Share on other sites More sharing options...
carnuck Posted November 11, 2017 Share Posted November 11, 2017 Don't forget blown fuse....Sent from my LG-D850 using Tapatalk I recall the park and running lights are on the same fuse, but I could be wrong. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
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