1986 Jeep Comanche coolant light

1986 JEEP COMANCHE
128,000 MILES • 6 CYL • 4WD • MANUAL
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MSNOW863
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  • 1 POST
how do i know if my light is working,how do i check the bulb and the plug the bulb goes in
Oct 17, 2010 at 9:14 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
To check a bulb, remove it and run a continunity test on it. If you have continunity, it is good.

Are you concerned that the light should be coming on but isn't?
Oct 18, 2010 at 1:36 PM
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WRENCHTECH
  • ✓ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
Most all of the bulbs should come on for a bulb test for few seconds every time the key is turned on.
Oct 18, 2010 at 1:40 PM
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