SECURITY LIGHT DOES NOT FLASH, IS THERE A FUSE OR SOMETHING I AM MISSING?

  • Tiny
  • alaguy
  • 1999 Jeep Grand Cherokee
  • 140,000 miles

I have a 1999 jeep grand cherokee larado. The security system seems to arm and unlock fine. When the car alarm is on the red security light on the dash does not flash. The light never flashes. I have replaced the light part, still does not flash. The horn works and the alarm chirps when set.

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Sunday, April 29th, 2012 AT 9:37 PM

5 Replies

  • Tiny
  • rivermikerat
  • Member

Check for continuity between the control module and LED.

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Sunday, April 29th, 2012 AT 10:15 PM
  • Tiny
  • alaguy
  • Member

Where is the control module?

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Monday, April 30th, 2012 AT 12:37 AM
  • Tiny
  • rivermikerat
  • Member

The Sentry Key Immobilizer module is right near the ignition key switch and the body control module is located near the main junction box at the left of the dash.

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Monday, April 30th, 2012 AT 12:45 AM
  • Tiny
  • alaguy
  • Member

My car does not have Sentry Key option. I found that out when I had to have extra keys made, no chip in keys. Does this sound like a expensive fix @ the dealership?

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Monday, April 30th, 2012 AT 12:51 AM
  • Tiny
  • rivermikerat
  • Member

That depends on the dealership and the problem. It could just be a bad wire or relay. Or it could be a bad BCM.

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Monday, April 30th, 2012 AT 2:14 AM

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