I have a dead radio in my 2004 envoy. no diplay,no radio, no flashing light, no illumation on dials at night. it all started on a trip that the radio was not on.
check all fuses ,none that i found that are blowen. i also disconect
my battery for a hour to reset the computer. nothing works.
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name one lamp dead.! oif the many.
lots of lamps.
and you did blow a fuse. or cut a wire.
if only the speed o illumination is dead.
then the park fuse is blown
or you turned the illum dial down on dash knob. (a feature)
some cars(vast) have 2 fuse boxes some 3.
so find all of them yet.
if usa car,
then alldata.com has these facts, ever read books or online real FSM on your car, its all there, no need to ask, or wonder.
but do name just one lamp.... we cant guess that.
any thing can be fixed.! (my job that, before retired)
the question (only) is time and money?
if the labor is more than a new upgraded radio.
why fix old.?
is the dash dimmer working, and all other lights on dash bright
the the radio has issues. (stock) if not stock the wires are bad behind radio. the dial wire.
does the radio work? and dial right, can you see the stations, with a flash light, ? then the back light is burned out.
if VFD display or LCD dead , big time $$$ fix.
on mine , 04 i put a new , media only head end.
am/fm , USB , flashcard, aux in, radio
and have micro usb there, very tiny with 4000 songs.
no more discs and radio head is very tiny.
The battery light on, is an indication of alternator failure. If your battery is more than 3 years old it needs replacement . A bad battery can damage a new alternator (full field condition). The age of your truck warrants inspection of the charging system. It requires at Least 20 amps output, from the alternator to run the engine.
Sounds like a bad ignition switch. There are 3 main ignition circuits coming from the switch, and one will control the engine and starting. One circuit is probably deadthru the switch, causing all the accessories to not function. I would tr that first.
If it is an orange wire with white trace, this wire is used for dimming the brightness when you turn the lights on.....normally connected to the illumation wire...sometimes to the cig lighter illumination or dah illumation wiring........
Check to see if any of the other switch selections ( A4WD, 4LO) turn on a light, if not, the problem could be the switch itself or the TCCM (Transfer Case Control Module). If you get a flashing light condition for a switch selection, then the problem could be the actuator on the Transfer Case.
Check and make sure that both battery connections have a SOLID connection...Make sure they are both clean...If they are not clean take them off and simply take a wire brush to them...If this does not work consult someone else
it sounds like you need a regulator for your alternater it is reversing polarity there for draining your battery and reseting the clock. it is located on the back of your alternator.hope this could help.