Abs and sability light come on when the radio power is turned on.???

[Big Kirk]

when truck is turned on and running all is good. As soon as I power on radio, ABS and Stability warning light come on.
Any ideas ??

 

[JamaicaJoe]

Voltage drop on the circuit?

 

[Big Kirk]

engine on or off does the same, new battery..

 

[99WhiteC5Coupe]

when truck is turned on and running all is good. As soon as I power on radio, ABS and Stability warning light come on.
Any ideas ??

It may be helpful if you post the year, make, model, trim line and radio type.

 

[JamaicaJoe]

If you have it scanned you should get an ABS code. The main one has to do with power to the module. You can have a circuit problem. Does the ABS and Stability Control share the fuse with the radio? Do they share an Accessory relay? Is the radio an aftermarket, perhaps with an amplifier someone hacked into the ABS/SC circuit?

 

[Big Kirk]

2007 expedition xlt, single cd radio original.

 

[JamaicaJoe]

Are the radio, ABS and Stability on same fuse? Check the voltage. Also check alternator charging voltage and battery voltage AT THE FUSE.