Mazda 121 DW Metro
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Junior Member
Joined: Mar 2022
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From: Perth
Mazda 121 DW Metro
Hi Guys,
Does anyone know where is the coolant temperature switch located on a 2001 121 Metro DW?
My Radiator fan is not turning on and I have replaced the Relay and it turns on when I ground the low side of the relay with a test light. From a diagram from DB 121 it appears that the ground wire is connected to a coolant temperature switch which. But I can find any sensor near the upper coolant hose. Wondering any one know where it is so the I can test the circuit.
Thanks in advance.
Does anyone know where is the coolant temperature switch located on a 2001 121 Metro DW?
My Radiator fan is not turning on and I have replaced the Relay and it turns on when I ground the low side of the relay with a test light. From a diagram from DB 121 it appears that the ground wire is connected to a coolant temperature switch which. But I can find any sensor near the upper coolant hose. Wondering any one know where it is so the I can test the circuit.
Thanks in advance.
Junior Member
Joined: Dec 2023
Posts: 2
Likes: 0
From: Hobart
Hi mh6666,
Did you end up finding out the location of the thermoswitch for the 2001 DW? I'm looking everywhere with no luck.
Measured voltage at the fan and it's not getting 12v when the engines on and AC on full bore. So looks like it's the relay not activating and needs to be replaced but I'd like to check the thermoswitch but can't find it!
Did you end up finding out the location of the thermoswitch for the 2001 DW? I'm looking everywhere with no luck.
Measured voltage at the fan and it's not getting 12v when the engines on and AC on full bore. So looks like it's the relay not activating and needs to be replaced but I'd like to check the thermoswitch but can't find it!
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Zak Inmon
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Apr 7, 2020 05:15 AM
