300SL (129.061) L6-3.0L (104.981) (1991)
Figure 5
14.
Reattach fuse carrier.
15.
Close fuse/relay box.
16.
Route connector block harness with two connections to instrument cluster opening and connect brown wire to ground location (W1, Figure 5).
Figure 6
17.
Route grey/blue wire further under instrument panel along main vehicle harness to the center console and attach with electrical tape (Figure 6).
Figure 7
18.
Connect grey/blue wire to terminal block (X6, Figure 7).
19.
Reinstall instrument cluster.