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Old January 23rd, 2006, 06:37 AM   #1
Max Wedge
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Default Any EE people?

Driving in this morning--
While driving at 55, right turn signal indicator in the IP comes on, but does not blink. One minute later beeper for key in ignition start going off, continues for the next 8 miles until I get a chance to stop.
I check for any burned out bulbs and function of tail and turn signals- all good. Turn off headlamps and turn vehicle off and on. All systems good, IP lamp off, no beeper.
1 mile down the road, it starts all over, but I notice that it will not beep when I am stopped at a traffic light, and will resume when I start rolling, either when I have gone a few hundred feet or exceeded about 40mph (not sure which).
At work I check bulbs again, and I notce that when headlights are off and the IP right turn signal is glowing, that if I signal right, the left rear turn signal lamp would also flash very dimly.

WTF!?!
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Old January 23rd, 2006, 07:00 AM   #2
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sounds like your keyed power is getting goofy, cycle the switch when you see this happen and see if it stops. if so the ignition switch is going bad
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Old January 23rd, 2006, 03:30 PM   #3
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sounds like you have lost a ground point somewhere. When you are braked it is probably using that as a ground path and therefor will not ding. Another reason I think you lost a ground is by the wrong bulb being dimly lit. the current is sneaking through what ever path it can find. it is going through that bulb to get to a ground.

also what vehicle, year, etc....
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Old January 23rd, 2006, 03:47 PM   #4
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I'd lean towards a bad ground somewhere as well. What vehicle?

I know XJs are know for wiring bugs. I have to chase down a few bad wires in mine.

I'd pull out the cluster and verify the wiring is good. TJs and XJs both had well know problems with the IP harness connectors.

If you have more detail, post it up. Vehicle and model year, specifically.

-Haggar (EE, I design instrument cluster electronics for the big 3)
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Old January 23rd, 2006, 08:10 PM   #5
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So I poked around at lunch on the TJ.

It would still dimly light up the right IP lamp. Body ground looked good, headlamp ground looked good.

Then the right turn signal marker lamp went out. Turns out that the connector is very corroded. I cleaned it up, added some dielectric grease, put in new bulb, and it hasn't returned.

Question is: do you really need a constant chime for a burned out bulb? I was ready to drive into a telephone pole to make it stop.

--and yes, I do use synthetic blinker fluid :miff:
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