Black Magic
150
Mounting Instructions-150 may be in-
Bolt-on Method
stalled horizontally or vertically to the
Clamp-on Method
Radiator
Channel
Bracket
radiator
Assemble the brackets and threaded rods to the 150 fan
according to the specific applicaiton. Mount the 150 with
brackets using either the bolt-on or clamp-on method.
Notes:
Be sure to use star nuts to stabilize the threaded rods.
Do not over tighten to the radiator,damage may occur.
MANDATORY CONNECTIONS
1. Disconnect the battery - Negative terminal
2. Connect the “B” terminal to a high current 12V positive power source (i.e. battery, starter solenoid) using the
thick red wire and in line fuse holder provided in the kit.
3. Connect the “G” terminal to ground (i.e. chassis, negative side of battery) using the thick black wire provided
in the kit. (Do not install fuse at this time)
4. Connect the “+” terminal of the control box to a 12V positive (+) power source (i.e. fuse box), using the thin
red wire and fuse taps (if necessary) provided in the kit.
Note: Att ach this wire to an ignition controlled source to stop the fan when the vehicle is shut off
Note: Att ach this wire to a non-ignition source to keep the fan running after the vehicle is shut off.
5. If you have air conditioning: with 3-way connector provided, pass the A/C clutch positive(+) wire (con-
nected to the A/C compressor) through the connector. Place the green wire provided into the closed end of
the connector. Crimp metal plate. Snap plastic cover into place. Attach green wire to the "C" terminal of the
control box.
Air Conditioning Relay activates fan when A/C is turned on
6. Insert probe in radiator core near upper hose. Install rubber cap over end of probe.
Radiator
(Front)
Nut
Washer
Threaded
Rod
Star Nut
ADJUSTING THE TEMPERA TURE CONTROL
1. Attach the temperature control knob to the control box.
2. Turn the knob clockwise completely.
3. Idle the vehicle, observe the temperature of the vehicle. (Use the vehicles gauge)
4. When the temperature of the vehicle reaches slightly
above normal, turn the control knob counter-clockwise
until the fan turns on. From here on, the fan should
activate at this temperature setting. Adjust as necessary
according to your vehicle needs.
OPTIONAL CONNECTIONS
Manual Switch (not included) - Allows manual operation
of the fan.
(
This step is based on Flex-a-lite’s manual switch
part #31148, other switches will cause this unit to
fail
).
1. Connect the “M” terminal to terminal 1 on the switch.
2. Attach terminal 2 of the switch to a 12V positive (+)
source.
3. Attach terminal 3 of the switch to ground, in order to illuminate the switch.
Control Box T erminals & Connections
Mandatory Connections
+ 12 volt positive source
G Ground
B 12 volt positive source
C Air conditioning relay
Control Box
C
3-way
connector
A/C positive (+)
wire from clutch
Fuse Holder
12 V olt Positive Source
*WARNING: If not using Flex-a-lite's
illuminated switch (PN #31148) you must
disconnect the switch ground.
B
Optional Connection
M Manual switch
Ground
G
M
12 V olt Positive Source
12 V olt
Source
+
optional
Ground
(Illuminate switch)
12 3
Note (optional): To stop the fan from activating thermostatically, omit the lead to the “+” terminal of the control box.
“B”, “G”, & “M” must remain connected.
The Flex-a-lite Limited Warranty
Flex-a-lite Consolidated, 7213-45th St. Ct. E. Fife, WA 98424, T elephone No. 253-922-2700, warrants to the original purchasing user, that all Flex-a-lite products to be free of defects in material and
workmanship for a period of 365 days (1 year) from date of purchase. Flex-a-lite products failing within 365 days (1 year) from date of purchase may be returned to the factory through the point of
purchase, transportation charges prepaid. If, on inspection, cause of failure is determined to be defective material or workmanship and not by misuse, accidental or improper installation, Flex-a-lite will
replace the fan free of charge, transportation prepaid. Flex-a-lite will not be liable for incidental, progressive or consequential damages. Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal right s and you may have other rights, which vary from state to state.
The Flex-a-lite warranty is in compliance with the Magnuson-Moss Warranty Act of 1975.
rev . 09-15-05 99981
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