clarion screen relay needed?

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bodis22

Member - Posts: 3

Joined: August 05, 2010

Posted: August 05, 2010 at 7:27 PM / IP Logged

I have a 2008 tahoe and have installed a Clarion VX400 double din screen. I used the PAC OS4 wiring harness and the head unit cuts off and then back on. I have been told by a stereo shop that I need to install a relay on the Main Power and the ACC power. It may be resetting the OS4 due to low voltage output. I have never dealt with relays, but have installed many systems. Any help is appreciated.

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 05, 2010 at 8:28 PM / IP Logged

Connect the radio's Yellow wire to the vehicle's constant wire before the OS-4

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bodis22

Member - Posts: 3

Joined: August 05, 2010

Posted: August 05, 2010 at 8:32 PM / IP Logged

no need for the relay then, by the way...thanks

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i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 05, 2010 at 9:06 PM / IP Logged

Correct, there is no need for a relay. The OS-4 does not allow enough current through the unit to power most Radio/Monitor units. The unit works fine if powering a standard deck. The display pulls considerably more current.

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bodis22

Member - Posts: 3

Joined: August 05, 2010

Posted: August 05, 2010 at 9:13 PM / IP Logged

Thank you, I will give it a try. The OS-3 shows this in the instructions, but not the OS-4...go figure.

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clarion screen relay needed?

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