Quote:
Originally Posted by seventieschild
I'm unemployed and trying to start over so I bought a used Astro and 3 days later I'm having wiring issues. I have posted before in this section and I thank you all for your replies.
My battery keeps draining so I used a 12 volt test light in series with the negative on the battery and the ground (disconnected) The hot is still on the battery. I get a draw through a 10 amp fuse under the driver's side that is marked " radio batt". It has a hot direct from the battery to the radio and instument cluster. I checked ALL the fuses including under the hood and there is no amp draw except through the "radio batt " fuse.
When I pull the fuse the test light goes out however I lose power to my PRNDL light, gas gauge and speedometer. Also the flasher relay buzzes like a chainsaw when I removed the fuse. I replaced the flasher relay with no luck. What could it be that is creating a draw here? There seems to be nothing on or working yet when I place the probe on the ground cable and the clip on the negative terminal I get a light until I pull the radio batt fuse. Thanks...
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The Radio/Batt fuse supplies power to the IPC and the Radio. Not sure of the connection with the flasher. You could unplug the cluster and radio one at a time and see when the light turns off. Is the test lamp bright or dim? I imagine a small amount of current draw from the radio is probably normal, I'm talking milliamps. My best guess is something in the radio is causing the draw.