RX7Club.com - Mazda RX7 Forum - 13b-re water pump sender

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fc_dorifto

02-12-14 02:34 PM

13b-re water pump sender

2 Attachment(s)

I have a 13b-re in my fc running on a Haltech ECU. I am installing an electric fan and I was thinking to use the the sender in the water pump housing (it is not used) as a switch to activate the fan. Possible ? Do you know at a temperature it activates ? Thanks !

misterstyx69

02-12-14 05:37 PM

My tuner guy used a Pwm(?) output..something like that to activate a relay that goes to the fan.As soon as the car hits 185F it turns the fan on.
If you Hit up the Haltech section you may get some good info there.

j9fd3s

02-13-14 12:18 PM

not 100% sure, but it looks like that one switches at 97c.

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