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Old 03-15-2023, 11:39 PM   #1
Mini-Skoolie
 
Join Date: Feb 2023
Posts: 20
Radio light stays on

I don't know if this is the right thread but my stock radio light won't shut off.. it will shut off for about 10 seconds of I press the loud button and then the light comes back on again. Anyone have any advice to shut it off other than unplugging the wire??
Thanks!

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Old 03-16-2023, 12:47 AM   #2
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Join Date: Dec 2021
Location: Iowa City, IA
Posts: 564
Year: 2006
Chassis: IC CE300 (PB105)
Engine: DT466e @245hp | Allison 3000PTS
Rated Cap: 66
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Originally Posted by Imnewhere View Post
I don't know if this is the right thread but my stock radio light won't shut off.. it will shut off for about 10 seconds of I press the loud button and then the light comes back on again. Anyone have any advice to shut it off other than unplugging the wire??
Thanks!
Most stereo head units have two 12v positive lines coming into them - one is actual power from the main solenoid/battery, and the second is a "power on signal line" from an ignition circuit that tells the unit to turn on and draw its power from that first power line. Check your unit to see if those two have been spliced together, and if so, separate them back out and make sure the signal line is tied to an ignition-on circuit.

Alternatively, just wire a switch between the unit's main power source and the unit and flip it on and off as needed.
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Old 03-16-2023, 08:36 PM   #3
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Location: mid Mo.
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Year: 1976
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Chassis: F33695
Engine: 427 chevy converted to 466
Rated Cap: 84
That is why I put a main disconnect on my engine batteries, to keep parasitic drags from draining my batteries. Did you know the radio has a constant drag to keep the memory active; just disconnect ur batteries and you won't have any worries.
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Old 03-16-2023, 10:05 PM   #4
Bus Crazy
 
Join Date: Apr 2020
Location: Northern California (Sacramento)
Posts: 1,142
Year: 1999
Coachwork: El Dorado Fiberglass
Chassis: Ford E450
Engine: V10 Gas
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Originally Posted by Dbacks2k4 View Post
Most stereo head units have two 12v positive lines coming into them - one is actual power from the main solenoid/battery, and the second is a "power on signal line" from an ignition circuit that tells the unit to turn on and draw its power from that first power line. Check your unit to see if those two have been spliced together, and if so, separate them back out and make sure the signal line is tied to an ignition-on circuit.

Alternatively, just wire a switch between the unit's main power source and the unit and flip it on and off as needed.
Wicked good advice on checking to see if that ignition-on line is spliced in.
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Old 03-26-2023, 07:34 PM   #5
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Join Date: Apr 2018
Location: New Orleans
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Year: 2001
Coachwork: Thomas
Engine: 3126b 210hp
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Since I listen to my radio while I work on the bus I wired it to my house batteries. With solar panels constantly charging the batteries itís not an issue.

So thereís that. Dave
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Old 03-27-2023, 01:51 PM   #6
Bus Crazy
 
Join Date: Apr 2020
Location: Northern California (Sacramento)
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Year: 1999
Coachwork: El Dorado Fiberglass
Chassis: Ford E450
Engine: V10 Gas
I think a lot of us like the idea of non running down the chassis batteries!

After giving it some thought, I wired in a relay that feeds House Power by way of a small PC power supply.

When the bus is running, the chassis batteries feeds the radio;
When the bus is parked and on shore power, the PC power supply feeds the radio;
When the bus is boondocking the same PC power supply feeds the radio, powered by the inverter.

Why not run the radio direct from the house batteries? Because most of the time I'm parked I'm on shore power.

If I do a lot of boondocking I may consider options to tie directly to 12VDC house power to omit the inverter.
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