Ignition Starter Switch

Common symptoms of a bad ignition switch:

• ABS light + brake light + service 4wd message + HVAC blower motor not working.
• You may also note the cruise control and electric 4wd will not function.
• No start or no crank
• Occasional U1001 code

Fits: 2003-2006 Chevy GMC 6.6l Duramax LB7 LLY LBZ or Gas trucks