Advance Adapters 716670 User Manual
Page 4

Single Fan Wiring Diagram
30 AMP FUSE MAXIMUM
FUSE
(ORANGE)
IGNITION
+12 VDC (YELLOW)
BATTEY
OPTIONAL COOLING FAN OVERRIDE SWITCH
SENDING UNIT (GREY)
GROUND
GROUND (BLACK)
FAN POSITIVE (RED)
General Information:
If the vehicle has overheating problems, there can be many causes. Step one is to determine what is causing the
vehicle to overheat. The chart below provides several problem, cause and solutions to overheating. Please contact
our technical advisors at 800-454-7725 with any additional questions.
Problem
Solution(s)
Cause(s)
Engine overheats at idle and low speeds
Poor air flow through radiator
Install electric fan or duct air into
engine compartment.
Poor engine ventilation
Install SPAL fan and make sure
engine compartment can vent hot air.
Insufficient radiator
Have the core cleaned or replaced
with an appropriate size.
Engine idle circuit too lean
Enrich idle circuit.
Engine timing too advanced
Retard timing.
Engine overheats continuously
Poor radiator / engine combo
Install sufficient radiator.
Defective or stuck thermostat
Install new thermostat.