1928 Cadillac - GM Heritage Center

ELECTRICAL 55
Electrolock from front of instrument board.
To remove, unlock and take out set screw
Spring contacts
„, . , Sliding contacts Lock cylinder
Fig. 1
Electrolock used on Cadillac 341-A and LaSalle 303
For service on distributor, remove Electrolock with „. ., . ,. .,,
g ". . . . .
distributor or use fixture shown in Plate 27,Fig. 6
E1 e«rolock switch with casing and cyhnder removed
Fig. 4
Electrolock locked.
No current flowing to coil.
Coil and distributor grounded
3
2
Fig. 5
Electrolock unlocked.
Terminals 1 and 2 connected by contact on
slide. Heavy line indicates flow of current
3
EgRtG
Fig. 6
5 ^,-^< Fig. 7
Never attempt to wire around the Electrolock Never remove the lock cylinder without disconect-
A"jumper" between terminals 1 and 3 will cause ing the feed wire. No. 1 contact will touch the
a short, damaging both switch and distributor lower contact and short through the distributor
Locking ball
Locking plungerJReleased position Control wire 1 —To Ammeter
Lock cylinder
Lock cylinder pinned
to cup on control wire
Transmission shifter shafts
SECOND-TYPE SWITCH
Fig. 8
Transmission lock and ignition switch on Cadillac 341-B and LaSalle 328
February. 1929
Plate 28.
Electrolock and dual ignition and transmission lock.