Preparation for Test: 1. Model 202 up to 11/94: Check fuse F3-33 ok, 2. Model 202 as of 12/94: Check fuse F1-27 ok, 3. Provide access to PSE control module (A37/4, A37/5). 4. Connect socket box with test cable according to connection diagram, see 22, Figure 1. Electrical Wiring Diagrams See Electrical Troubleshooting Manual, Model 202, Volume 2, group 80

Conventional tools, test equipment

Description	Brand, model, etc.
Multimeter 1)	Fluke models 23, 83, 85, 87

1) Available through the MBUSA Standard Equipment Program.