Checking Rad Fan Low Speed Operation (Turbo)

Test 1 - 2:

Test 3 - 7:

Test 8 - 9:

SYMPTOM
CHECKING RAD FAN LOW SPEED OPERATION (TURBO)

POSSIBLE CAUSES
- Fused B+ circuit open
- Low speed fans operation
- Radiator fan relay #3
- Low speed RAD fan output shorted to ground between relay #2 and fan #2
- Low speed RAD fan output shorted to ground fan#2 and relay #3
- RAD fan #1 shorted internally
- Radiator fan relay 1 or 3
- Low speed RAD output circuit shorted to ground between relay #3 and fan#1
- Ground circuit open
- RAD fan #1 open
- RAD fan #2 open