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Cooling system

Tiny
EUGENE LIM
  • MEMBER
  • 2006 SUZUKI GRAND VITARA
  • 2.0L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 50,000 MILES
The fan does not run full speed even reaching operating temperature. It only turns on when A/C is on but not in full speed. But when unplugging one fan it does its thing as normal. And when unplugged to ect it kicks in at high speed.
Wednesday, March 6th, 2019 AT 5:44 AM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,296 POSTS
Hello,

There are three relays that run the system let's start by checking them. here is a guide and the cooling fan wiring diagrams so you can see how the system works and the relay locations:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (below). Please let us know what happens.
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Thursday, March 7th, 2019 AT 10:10 AM
Tiny
EUGENE LIM
  • MEMBER
  • 2 POSTS
  • 2006 SUZUKI GRAND VITARA
  • 2.0L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 500,000 MILES
Radiator fan does not run in full speed even when reaching operating temperature and only goes on when A/C is on. When I unplugged either fan it will run in full speed. And also it will kick in when unplugging from ect.
Please help
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Thursday, March 7th, 2019 AT 10:10 AM (Merged)

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