Where is the fan relay on a jeep?
But if you have more time than money, you can easily diagnose it yourself, and I’ll show you how. Testing the fan relay is easy, the hardest part is getting to it, since Jeep in all its wisdom, located the fan relay behind the right side (passenger side) of the front bumper and you’ll probably have to remove it to access it.
What kind of fan does a Jeep Grand Cherokee have?
APPLIES TO: This tutorial applies to the following vehicles: 1999, 2000, 2001, 2002, 2003 4.0L Jeep Grand Cherokee. Radiator Fan Motor Circuit Wiring Diagram (1999-2003 4.0L Jeep Grand Cherokee).
What is the PWM code for a Jeep Grand Cherokee?
This tutorial will help you to diagnose the Pulse Width Modulated (PWM) fan relay on the 1999-2003 Jeep 4.0L Grand Cherokee SUVs and/or the codes P1491 ( Radiator Fan Control Relay Circuit ). The dealer, at the time of this writing, will charge you $95 (US) to diagnose it.
Why is my Jeep PWM fan not working?
The electric radiator fan motor does not come on. Coolant bubbling out of the coolant reservoir. Temperature gauge on the instrument cluster is maxing out. If your Jeep overheats beyond a certain point, you risk blowing the head gasket and/or cracking the cylinder head.
Where is the cooling fan relay in my 2004 Jeep Grand Cherokee?
Where is the cooling fan relay in my 2004 Jeep Grand Cherokee? The hole under the passenger headlight has nothing and the relays are not in the fuse box either. Clicking this will make more experts see the question and we will remind you when it gets answered.
How to troubleshoot a jeep PWM fan relay test?
Radiator Fan Motor Circuit Wiring Diagram (1999-2003 4.0L Jeep Grand Cherokee). TIP 1: The way I’ve designed the Jeep PWM fan relay test, you’ll need a scan tool that can read live data (not a code reader), since you’ll need to keep an eye on the engine’s coolant temperature with it.
APPLIES TO: This tutorial applies to the following vehicles: 1999, 2000, 2001, 2002, 2003 4.0L Jeep Grand Cherokee. Radiator Fan Motor Circuit Wiring Diagram (1999-2003 4.0L Jeep Grand Cherokee).
This tutorial will help you to diagnose the Pulse Width Modulated (PWM) fan relay on the 1999-2003 Jeep 4.0L Grand Cherokee SUVs and/or the codes P1491 ( Radiator Fan Control Relay Circuit ). The dealer, at the time of this writing, will charge you $95 (US) to diagnose it.
Why does my Jeep Grand Cherokee Fan quit working?
In this one we take a stab at permanently fixing a common issue with the 1999-2004 Jeep Grand Cherokee. The electric cooling fan will quit working, and your jeep will overheat, due to a failure in the electronic fan control relay. This is a heat related failure and I add a large heat sink and relocate the relay to try and avoid further issues.
What are the symptoms of a bad fan relay?
Symptoms Of A Bad PWM Fan Relay. FAN RELAY TEST 1: Checking For Power. FAN RELAY TEST 2: Checking For Ground. FAN RELAY TEST 3: Checking For The Relay Control Signal. FAN RELAY TEST 4: Calculating the Amperage Draw of the Fan Motor.
In this one we take a stab at permanently fixing a common issue with the 1999-2004 Jeep Grand Cherokee. The electric cooling fan will quit working, and your jeep will overheat, due to a failure in the electronic fan control relay. This is a heat related failure and I add a large heat sink and relocate the relay to try and avoid further issues.
Symptoms Of A Bad PWM Fan Relay. FAN RELAY TEST 1: Checking For Power. FAN RELAY TEST 2: Checking For Ground. FAN RELAY TEST 3: Checking For The Relay Control Signal. FAN RELAY TEST 4: Calculating the Amperage Draw of the Fan Motor.
But if you have more time than money, you can easily diagnose it yourself, and I’ll show you how. Testing the fan relay is easy, the hardest part is getting to it, since Jeep in all its wisdom, located the fan relay behind the right side (passenger side) of the front bumper and you’ll probably have to remove it to access it.
Is there a way to override a jeep cooling fan?
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