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1997 Chevy Astro turn signals

Tiny
CHRISPITMAN
  • MEMBER
  • 1997 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 171,000 MILES
The turn signals do not flash or come on at all. The hazard lihgts do flash. The chime on this circuit works. The brake lights work. If the turn signal lever is left on too long the fuse blows and none of the above work.
Wednesday, March 10th, 2010 AT 7:26 AM

5 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, thanks for the donation. The problem may be in the steering column or multifunction switch. If you want to do some circuit testing, we can give you wiring colors, whatever you need. You can unplug the combination flasher, use a digital multimeter in place of the fuse. If the meter gives a reading, it's going to ground, somewhere.

Which fuse is blowing?
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Wednesday, March 10th, 2010 AT 9:16 AM
Tiny
CHRISPITMAN
  • MEMBER
  • 10 POSTS
Fuse # 1, 20amp is the one affected.
Please tell me more about how to perform the test involving the removal of the flasher. Could the problem be the flasher module? How do I test the flasher module?

How do I perform circuit testing to track down the problem? Knowing the wiring colors and functions would be advantageous Does testing for a problem in the steering column and multifunction switch inoilve disassembly in those ares. If so, I would be very concerned about activating the airbag so how would I disable the airbag

I also thought about the towing harness being the problem.
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Thursday, March 11th, 2010 AT 6:46 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
My info shows fuse1--20 amp is stop/haz fuse. If that fuse is blown, how come the brake lites work?


https://www.2carpros.com/forum/automotive_pictures/170934_astro_turn_1.jpg



Some automotive forums won't talk to you about air-bags, because of the safety issue. If it blows-up in your face, that is your responsibility.


https://www.2carpros.com/forum/automotive_pictures/170934_airbag_1_1.jpg



https://www.2carpros.com/forum/automotive_pictures/170934_airbag_2_1.jpg

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Thursday, March 11th, 2010 AT 10:11 AM
Tiny
CHRISPITMAN
  • MEMBER
  • 10 POSTS
Going back to my initial post the brake lights, hazard lights and chime don't work if the fuse is blown
Thanks for the info.
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Saturday, March 13th, 2010 AT 11:10 AM
Tiny
2 LINSEY
  • MECHANIC
  • 287 POSTS
Thank you for using 2CarPros. Com. We appreciate your donation and look forward to helping you in the future.
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Monday, March 15th, 2010 AT 4:59 PM

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