Chevrolet 1977 light duty truck Service Manual page 46

SPECIFICATIONS
SECTION 1A
H E A T E R
V o lts
Blower Motor
C-K Models............. 13.5
G M o d e ls................13.5
Fuses
C-K Models........................................................................20 Amp.
G M o d e ls.......................................................................... 20 Amp.
A U X I L I A R Y H E A T E R
Volts
Blower Motor . . . . 13.5
A m p s. RPM
(Cold) (Cold)
6.25 Max. 2550 Min.
2950 Max.
7.1 Max. 2850 Min.
3250 Max.
Amps. RPM
(Cold) (Cold)
9.6 Max. 2700 Min.