Airpump motor relay: R3 — Cooling fan (Run-on fan) relay (2.3L engine only) R4 — Not used: R5 — High beams relay: R6 — Low beams relay: R7 — Fuel pump relay: R8 — Engine management relay: R9 — Cooling fan relay (2.0L engine only) R10 — Cooling fan 2 relay (2.0L engine only) R11 — Air conditioning relay: R12 — Daytime RadiatorFan: 16 — 15 Amp Lt Blue: Dome Lamp/Sunroof/Rear Wiper Motor: 17-10 Amp Red: Wireless Control Module: 18: 40 Amp Green-Auto Shutdown Relay: 19-20 Amp Yellow: Radio Amplifiers: 20-15 Amp Lt Blue: Radio: 21 — 10 Amp Red: Intrusion Module/Siren - If Equipped: 22-10 Amp Red: Heating, AC/Compass: 23-15 Amp Lt Blue: Auto Shutdown Relay KIAOPTIMA RADIATOR FAN RELAY LOCATION REPLACEMENT, KIA OPTIMA OVERHEATSIf you have Kia Optima and you need to replace the radiator fan relay / cooling fan r Thereis no relay on the cooling fan circuit. If the cooling fan is not operating, check fuse #105 (20 AMP), in the underhood junction box, right front of engine compartment. If fuse is good then test to make sure fan is getting power. If no power then could be bad cylinder head temperature sensor, hydraulic fan solenoid, a/c cycle switch or 323Answers. SOURCE: LOCATION FAN RELAY. The relay is under the right front headlamp assembly and bracket. You can access it two ways. Remove the front bumper facia, headlights, and bracket assembly. The grill is part of the facia and the headlight bracket runs all the way across the front. Itis located in the power distribution center under the hood. In the 2004 model the cooling fan relay is nr. 45. It is located aside the relay nr 46, which is the headlamps relay. You can test relay nr.45 by swapping it with the headlamps relay located aside it. Check also fuse nr.20 that is the fuse for the cooling fan. .

where is the radiator cooling fan relay located