1997 GMC C1500 front differencial actuator

1997 GMC C1500
13,000 MILES • 6 CYL • 4WD • AUTOMATIC
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LEOBIKER
  • MEMBER
  • 1 POST
I changed front differencial. Old differencial had 2 different switches,Actuator and light switch. new one actuator and light switch together. four wires. which two wires are for actuator and other two for lights?
Nov 15, 2008 at 9:11 AM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
Hi:
Yes, I believe you are correct. Two will let you know it's engaged, the others are to power the process.
Dec 15, 2008 at 10:45 AM