viper alarm troubleshooting

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dbsanders

Member - Posts: 6

Joined: December 04, 2012

Location: California, United States

Posted: December 04, 2012 at 12:23 PM / IP Logged

I just bought a 2002 Jeep, with Viper 500ESP installed, with glass-break sensor and door-lock actuators. It seems completely dead. The LED hasn't blinked once as far as I know. I dug under the dash and saw what I think was the brain. I see two in-line fuses going to it, which looked fine.

Anything easy to check? Where do I start?

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: December 04, 2012 at 12:28 PM / IP Logged

Black ground wire, measure the voltage between that and the alarm side of the 2 fuses.

If you get 12.4 or more, then work back to the brain.

Check for breaks or plugs removed.

Do the LEDs on the remotes light up?

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KPierson

Platinum - Posts: 3,527

This member consistently provides reliable information

Joined: April 14, 2005

Location: Ohio, United States

Posted: December 04, 2012 at 7:30 PM / IP Logged

Do you have the remotes to the system? Can you find the siren under the hood? I would guess that the system was put in the Jeep when the Jeep was brand new as the ESP line hasn't been around in quite some time.

Kevin Pierson

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dbsanders

Member - Posts: 6

Joined: December 04, 2012

Location: California, United States

Posted: December 04, 2012 at 9:05 PM / IP Logged

I do have the remotes, and the LED lights on one at least. The siren is under the hood. I'll grab my volt meter when I get a chance and test the voltage into the unit.

Thanks guys!

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dbsanders

Member - Posts: 6

Joined: December 04, 2012

Location: California, United States

Posted: December 05, 2012 at 12:53 PM / IP Logged

It appears I do have 12.3 V in the wiring harness to the brain. Think it's dead?

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: December 05, 2012 at 12:59 PM / IP Logged

I'm afraid so.

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viper alarm troubleshooting

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