Test 10AC10

TEST 10AC10: CHECK GROUND SHORT IN RELAY BOX CONTROL CIRCUIT
1) Install valve relay to relay box.
2) Measure resistance between relay box connector and chassis ground.
Connector & terminal: (F50) No. 1 & Chassis ground
CHECK: Is the resistance more than 1 M ohm?
YES: Test 10AC11
NO: Replace relay box, and check all fuses.