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1988 c2500 dashlights go out, turnsignal lights on solid, hightbeam indicator on, check gages light on, gages giving improper readings, is this a ground problem?, if so simplest fix.
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dashlight dimmer is on the turnsignal arm. its a common problem. if fuse is good and bulbs are not blown, replace the turn signal lever. check rock auto about 50 bucks..
The warning light comes on if the alternator is not charging the battery. You can run for several miles on just battery voltage.
The alternator output would need to be checked when the warning light is on. Its very seldom a battery problem.
Check ground wire and positive wire. Double check that the connections are clean. Have the altenator tested, because this is a sign of a bad voltage regulator.
CHECK GAGES light (1) indicates a potential engine failure(low oil pressure, low coolant, coolant overheating) has occurred. · Check gages and shut down engine. Gages should read as follows: Oil pressure 5 to 10 psi (34 to 69 kPa) at idle; Water Temp gage below 230 degrees (110 C).
· Check engine oil level (Para 2-11) if OIL PRESS gage indicates low reading. Check coolant level (Para 2-11) if Water Temp gage indicates high reading. Notify Unit Maintenance if levels are low.
If CHECK ENGINE light (2) is on, check engine oil pressure gage (3) and water temperature gage (4). If both indicate normal, proceed with mission and then notify Unit Maintenance. If either one does not indicate normal, stop engine immediately and notify Unit Maintenance
This sounds like some wires may not be connected or connected improperly.On this vehicle the wire colors are: Brown=parking lights,green=right turn/brake,yellow=left turn/brake. You will have to drop the spare tire to get a good look at these.
A "check gage light" typically indicates a faulty reading on one of the gages located on your instrument cluster. After starting your vehicle, observe your instrument cluster if one of the indicator needles on the instrument cluster remains all the way to the left or "pegs" out all the way to the right, it may be the cause of your fault. The exception is the coolant temperature gage it will take 10 to 15 minutes after which the needle should rise to a normal position. Correcting the "faulty gage light" will depend on which gage is malfunctioning. Once you have figured out which gage is causing the check gage light to illuminate, then we can proceed to correcting the problem causing it.
There's a switch on your emergency brake that the indicator (on your dashlight) operates from. Sometimes it slips in its bracket and gets out of adjustment causing your dash light to stay on. Its located on the upper part of your emergency brake pedal. Hope this works for you. Goodluck.
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