Question about 1999 Jeep Grand Cherokee

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The turning signals will work for a month then stop and the next two days it will start working again

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Hello Sharita.
This problem could be several different issues.
The easy place to begin is the combination flasher unit. The combination flasher is located in a wire harness connector which is secured to the diagnostics splice block bracket outboard of the steering column opening underneath the instrument panel.
Check to make sure ALL of the turn signal bulbs are working. It is common on these models for sockets to burn and make intermittent connection. If one of the bulbs are not working it will not allow signals to operate.
Next would be a problem with the signal switch itself. The switch is part of an assembly called a multi function switch and is part of the turn signal lever assembly. Wiggling the turn signal lever will often reveal a problem.
Next is a problem with the BCM (body control module). This will be difficult to determine without the use of the proper computer scan tool. It may have set a code in the BCM.

I hope this helps you find the problem.
Thank you for using FixYa.

KL

Posted on Nov 13, 2010

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First thing to check are the fuses for horn and lights

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SOURCE: Turning Signals keep blowing and signals cancel cruise control.

Sounds to me that the turn signal switch is bad and will have to be replaced. If you could wiggel it around and get them to work tells me that is wear the problem is.

Posted on Feb 11, 2009

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I have a 2000 gmc 1500 z71 and my 4x4 indicators cuts in and out and so do my turn signals they just stop working then will start working again worse on rainy days and ideas


Sounds like you have a lose ground , both turn/ hazards an 4X4 switch share Ground G203 .
G203
On the left upper IP at the A pillar
(1) Splice Pack 203 (SP203) (2) Ground 203 (G203) (3) Dash (4) A-Pillar
You will need to take parts of your instrument panel apart to get at it.
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Is it the multifunction switch


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Turning Signals keep blowing and signals cancel cruise control.


Sounds to me that the turn signal switch is bad and will have to be replaced. If you could wiggel it around and get them to work tells me that is wear the problem is.

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