Question about 2000 GMC Yukon Denali
I already checked about everything because i have a scanner and checked reading with multimeter and i have fuel and spark but i noticed the security light would flash on and off when attemping to start. can i bypass the factory alarm.
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Posted on Jan 02, 2017
you have a bad ignition switch but if you turn key on for ten minutes until the light stops flashing then turn off key then try to start this should reset the security system
Posted on Mar 19, 2009
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