What fuses power the cooling fan circuit on the 2.5L Probe?

A 15A ENGINE fuse in the interior fuse panel (hot in start or run, page 13-7) and a 40A COOLING FAN fuse in the engine compartment fuse box (hot at all times, page 13-3, circuit 15 BK/R).

Which relays control the electric cooling fan?

A low speed cooling fan relay (connector C167) and a high speed cooling fan relay (connector C144). When energized, the high speed relay directs voltage to the fan motor to operate at high speed.

What wire colors connect to the electric cooling fan motor?

Circuit 169 BL/Y and 171 BL/BK feed into connector C118 as BR/O and BR/Y wires; the motor grounds through a GY wire to circuit 50 BK at ground G103.

How does the PCM connect to the cooling fan relays?

Control circuits 173 BL/GN run through splices S190 and S192 and connector C107 to the PCM (via connectors C246 and C247, page 25-6) and also to the Data Link Connector (DLC) at C133.

Where does the high speed condenser fan relay tie into this circuit?

A 173 BL/GN wire branches through connector C164 to the high speed condenser fan relay, referenced on page 54-4.

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1993-1994 Ford Probe 2.5L Cooling Fan Wiring Diagram - Relays, PCM & Fuses

2.5L low and high speed cooling fan relay circuit wiring diagram with color codes

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Wiring diagram of the 2.5L electric cooling fan low/high speed relay circuits with color-coded wires and connectors.

AI caption December 2012 · Photo 490 of 676

This is a scanned wiring diagram page for the electric engine cooling fan circuit of a 2.5L-engine vehicle (uploaded to a 1993 Ford Probe gallery; filename suggests a 1994 diagram). It shows power flowing from two sources: a 15A ENGINE fuse in the interior fuse panel (hot in start or run, see page 13-7) and a 40A COOLING FAN fuse in the engine compartment fuse box (hot at all times, page 13-3, via circuit 15 BK/R). The diagram details the low-speed cooling fan relay (connector C167) and high-speed cooling fan relay (connector C144), which feed the electric cooling fan motor through connector C118 using wires 169 BL/Y, 171 BL/BK, BR/O, and BR/Y. The motor grounds through 50 BK to G103 (see grounds page 10-6). Relay control circuits 173 BL/GN run through splices S190 and S192 and connector C107 to the Data Link Connector (DLC, C133) and to the Powertrain Control Module (PCM, connectors C246/C247, page 25-6). A 173 BL/GN branch also feeds the high-speed condenser fan relay via C164 (page 54-4). Notes explain the high-speed relay directs voltage for high-speed fan operation and that the PCM uses sensor/actuator information to control powertrain operation. Circuit 174 R/W and 40 BK/W / 16 R power feeds are also labeled.

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Frequently asked questions

What fuses power the cooling fan circuit on the 2.5L Probe?: A 15A ENGINE fuse in the interior fuse panel (hot in start or run, page 13-7) and a 40A COOLING FAN fuse in the engine compartment fuse box (hot at all times, page 13-3, circuit 15 BK/R).
Which relays control the electric cooling fan?: A low speed cooling fan relay (connector C167) and a high speed cooling fan relay (connector C144). When energized, the high speed relay directs voltage to the fan motor to operate at high speed.
What wire colors connect to the electric cooling fan motor?: Circuit 169 BL/Y and 171 BL/BK feed into connector C118 as BR/O and BR/Y wires; the motor grounds through a GY wire to circuit 50 BK at ground G103.
How does the PCM connect to the cooling fan relays?: Control circuits 173 BL/GN run through splices S190 and S192 and connector C107 to the PCM (via connectors C246 and C247, page 25-6) and also to the Data Link Connector (DLC) at C133.
Where does the high speed condenser fan relay tie into this circuit?: A 173 BL/GN wire branches through connector C164 to the high speed condenser fan relay, referenced on page 54-4.