mj Mike Posted March 4, 2011 Share Posted March 4, 2011 the state of California will not smog my 92 Comanche 4.0l H/O with out a working Check Engine light :huh???: they said when you turn the key to power the light should come on then start it & the light goes off. mine dose not work @ all. do you guy's know were i should start :wrench: ?? :hmm: Link to comment Share on other sites More sharing options...
SubSonic Posted March 4, 2011 Share Posted March 4, 2011 I would assume the bulb is burned out. Well, at least that's where I'd start. Next would be a wiring problem, but my first vote is definitely the bulb. :wrench: Link to comment Share on other sites More sharing options...
87Warrior Posted March 4, 2011 Share Posted March 4, 2011 Pull the cluster and check the bulb. Also clean the plugs. If you turn the key to "on" three times the light should start to flash. The flashing sequence will actually tell you what codes the PCM has stored. Link to comment Share on other sites More sharing options...
mj Mike Posted March 5, 2011 Author Share Posted March 5, 2011 I checked all the bulbs, none of them looked burned out. I also checked all the fuses under the dash and the engine bay, I found one fuse burned out in the engine bay, it was a ATM /20 Labeled I.O.D.? and changed it & the light still does not turn on. I"ll try cleaning the ports now with Di-Electric Grease and try to turn the key "on" three times the light should start to flash. The flashing sequence will actually tell you what codes the PCM has stored. :thumbsup: Thanks for the help!! Link to comment Share on other sites More sharing options...
jimoshel Posted March 5, 2011 Share Posted March 5, 2011 You really can't tell if a bulb is good or bad just by looking. Test it. Either use a ohm meter or locate a easily accessible socket and plug each bulb into it, after insuring that the socket is good. Switch the bulb with one known to be good. Link to comment Share on other sites More sharing options...
mj Mike Posted March 5, 2011 Author Share Posted March 5, 2011 Pull the cluster and check the bulb. Also clean the plugs.If you turn the key to "on" three times the light should start to flash. The flashing sequence will actually tell you what codes the PCM has stored. So I cleaned all the plugs & ports, and tried to turn the key on & off, it still did not come on. it seems that none of the bulb on the left side of the gauge cluster light up. jimoshelYou really can't tell if a bulb is good or bad just by looking. Test it. Either use a ohm meter or locate a easily accessible socket and plug each bulb into it, after insuring that the socket is good. Switch the bulb with one known to be good I'll try testing all the bulbs by picking a random socket and plugging each bulb in. :thumbsup: Thanks Again! Link to comment Share on other sites More sharing options...
jimoshel Posted March 5, 2011 Share Posted March 5, 2011 Make sure the socket is hot. Link to comment Share on other sites More sharing options...
mj Mike Posted March 5, 2011 Author Share Posted March 5, 2011 i tried swapping the bulbs around & got nothing. so i tested the sockets W/multimeter & i have power in the sockets so i am going to get in the Zone!! (autoZone) :thumbsup: Thanks Again! Link to comment Share on other sites More sharing options...
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