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Clock radio stays on and drains battery
September 11th, 2010, 1:08 PM
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Clock radio stays on and drains battery
I just bought a 1998 c1500. when i start the truck i noticed that my clock would reset and i would loose all my presets. so i check the fuse panel and noticed that there was no 10amp fuse in the radio fuse bay. i thought ok easy! put a 10amp fuse in and everything was ok, but i noticed that the clock would stay illuminated on the radio when the truck was shut off. i didnt think anything of it, thinking that its only 10amps and would not drain the battery. woke up the next morning and dead as a door nail. anybody have any thoughts?
September 11th, 2010, 2:01 PM
#2
CF Senior Member
Well 1st off it sounds like the remote wire.
The remote wire tells the deck to turn on/off.
quite a few DIY'rs attempt to install car stereos and do the install wrong.
It has been a while since I have done them, but I think generally the
blue wire with the green stripe is the remote wire. The yellow wire is your
power source, be very careful of that wire. If it grounds out, ALL of your
electrical system in the truck could get fried.
Although it gets a bit more complicated if you have onstar.
Is the truck onstar equiped? If no, don't worry about it, your problem is that the
remote wire is not hooked up properly. If you take it to Fry's, Best Buy, or some
car audio place they can wire everything correctly for $40 - $50 which is
what I suggest you do because the DIY installer coulda done a poor job at connecting
the install kit wires, coulda left exposed wires, and it could be a mess behind there.
The remote wire tells the deck to turn on/off.
quite a few DIY'rs attempt to install car stereos and do the install wrong.
It has been a while since I have done them, but I think generally the
blue wire with the green stripe is the remote wire. The yellow wire is your
power source, be very careful of that wire. If it grounds out, ALL of your
electrical system in the truck could get fried.
Although it gets a bit more complicated if you have onstar.
Is the truck onstar equiped? If no, don't worry about it, your problem is that the
remote wire is not hooked up properly. If you take it to Fry's, Best Buy, or some
car audio place they can wire everything correctly for $40 - $50 which is
what I suggest you do because the DIY installer coulda done a poor job at connecting
the install kit wires, coulda left exposed wires, and it could be a mess behind there.
Last edited by Mille Racer 69; September 11th, 2010 at 2:04 PM.
February 20th, 2018, 6:05 PM
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I'm having the same problem with a 1996 2500. Drains the @#%$ out of a battery. Usually takes a few days on a good battery though, you may want to check the battery.
To be more specific, and avoid going down rabbit holes...
The Radio does not stay on, JUST the clock. I see people going on about the ignition switch, but I don't think that could be it. That woudl keep the radio on, not just the clock
The 10 amp fuse you pulled was for the BAT supply, not just radio.
There is only one way this can happen - Radio is broken or incompatible.
Based on the 96 schematic there are only three power inputs to the radio. IGN, BAT, and DIM. The clock should only come on if the IGN power is applied.
Try swapping it for one you know comes from a basic, 1996 - 98 truck, no amp, not from an SUV, etc... Od just replace it with an aftermarket.
To be more specific, and avoid going down rabbit holes...
The Radio does not stay on, JUST the clock. I see people going on about the ignition switch, but I don't think that could be it. That woudl keep the radio on, not just the clock
The 10 amp fuse you pulled was for the BAT supply, not just radio.
There is only one way this can happen - Radio is broken or incompatible.
Based on the 96 schematic there are only three power inputs to the radio. IGN, BAT, and DIM. The clock should only come on if the IGN power is applied.
Try swapping it for one you know comes from a basic, 1996 - 98 truck, no amp, not from an SUV, etc... Od just replace it with an aftermarket.
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