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ELECTRICAL-BODY A N D CHASSIS 12-40
Fig. 54 - Seat Separator Instrument Console
consists of a single red light which will indicate an over-
heated engine condition.
Engine Sender Unit Replacement
1. Drain engine cooling system to a level below unit.
2. Remove sender unit (located in cylinder head near
an exhaust port on L-6 engines and in the inlet mani-
fold near water pump housing on V-8 engines).
3. Replace unit, refill cooling system and check opera-
tion of unit.
DIRECTIONAL SIGNAL
Directional signal assemblies provide as standard pro-
duction equipment a lane changing feature and hazard
warning system on all model applications. Two different
design switches are used as shown in Figure 55. Major
difference between the two units is that one type has can-
celling and detent springs which are serviceable, other-
wise both units are not repairable and must be replaced
as an assembly in service.
Due to the integral design relationship of the signal
switch and the energy absorbing steering column, refer-
ence should be made to Steering, Section 9 of this manual
whenever any service operations are performed on the
steering column. The directional signal switch replace-
ment procedures covered in this section are intended to
supplement the detail service operations outlined in Sec-
tion 9.
Special note should be taken of the fact that different
signal flasher units are used in Chevrolet models depend-
ent on the number of lamps to be operated. The hazard
warning unit, even though an integral component of the
directional switch assembly, requires the installation of
an additional flasher unit in the fuse panel capable of op-
CHEVROtET CHASSIS SERVICE MANUAL
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