300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
Belt Tensioner Wiring Diagram
N2/1
Control unit, belt tensioner
R12/1 Detonator, belt tensioner, front left
R12/2 Detonator. belt tensioner, front right
X28/1 Plug connection, power supply, belt tensioner
X29
Test coupling, belt tensioner
W12 Main ground point, center console
a
To fuse box, terminal 15 R
Testing the Triggering Circuit of the Detonators:
1. Disconnect negative terminal of battery and cover.
2. Connect muftimeter to the 4-pin test coupling (X29) (2 pins used).
NOTE: The test coupling (X29) is connected in parallel with the detonators.
Testing: