SOURCE: 2000 Jeep Cherokee Sport Turn Signals/Hazzard lights don't work
yes that's correct... you need to replace the flasher unit
SOURCE: All my blinkers and brake lights stopped working
PO430: Catalyst System Efficiency Below Threshold (Bank 2)
Here is a site that you should go to and further look at the common problems with your catylitic converter, and also your other emissions systems. Hope it helps, and please rate!!!
http://www.discountconverter.com/catalytic_converters_news/news_page.cfm?Key=codes-po420-po421-po430-po431&News=120
SOURCE: Fix for no brake lights on Dodge Ram Van
Also if you work it on and off about 50 times it cleans the contacts up and will work ok also.
SOURCE: turn signals are not working
check for faulty signal light flasher located under L/S dash. Separate flasher for hazard lights and signal lights.
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I almost forgot I have a 2009 Chevy HHR
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