Apple Power Macintosh 8600 - Manual (Page 135)

5 If you disconnected the two connectors in step 2, reconnect them now.
IMPORTANT Make sure the two connectors are connected properly. Otherwise,
the fan may not receive power and the components in your computer could be
damaged due to excessive heat.
IV
part
Chapter 9 Start Here If Trouble Occurs
Chapter 10 Solutions to Common Problems
Chapter 11 Diagnostic Techniques
Troubleshooting