Distributor Spark Thermal Vacuum Switches - Pontiac TRANS AM 1977 Service Manual

6D-30 1977 PONTIAC SERVICE MANUAL
OUTPUT PORT TO DS
OPEN TO PORTED SOURCE BELOW CALIBRATION VALUE
OPEN TO MANIFOLD VACUUM SOURCE ABOVE CALIB. VALUE-
PORTED SOURCE PORT
MAN1 FOLD VACUUM SOURCE PORT
USAGE AND CALIBRATION VALUE
V8-400 M.T. DS-TVS 227" F
COLD SOURCE VACUUM PORT
OUTPUT PORT TO DS
OPEN TO COLD SOURCE B
OPEN TO HOT SOURCE AB
HOT SOURCE VACUUM PORT
USAGE AND CALIBRATION VALUE
L4-151 DS-TVS 120" F
V8-350 & 403 VIN CODES R&K DS-TVS 220" F
MANIFOLD VACUUM SOURCE PORT
OUTPUT PORT TO DS-VDV
CLOSED BELOW CALIBR
OUTPUT PORT TO SVB
CLOSED BELOW CA
USAGE AND CALIBRATION VALUE
L4-140 SVBIDS-TVS 105" F
VACUUM SOURCE PORT
- 1 -
OUTPUT PORT TO DS-VDV OR DS
NO VACUUM BELOW CALIBRATION VALUE
USAGE AND CALIBRATION VALUE
L4-140 DS-TVS 115°F
L4-151 DS-TVS 120" F
V8-301 DS-TVS 120°F
I
OUTPUT PORT TO DS OR VACUUM CO
NO VACUUM BELOW CALIBRATION
VACUUM SOURCE PORT
USAGE AND CALIBRATION VALUE
V8-350 & 400 VIN CODES P&Z DS-TVS
120" F
V8-350 & 403
VIN CODES R&K EGRIDS-TVS 120" F
Fig. 6D-37 Distributor Spark Thermal Vacuum Switches