Current handling capability is the biggest problem....What would it take to do PWM control on a e-fan?
It seems some mid/late 2000's volvos come with a PWM controller on the fan itself. Can probably find one easily in a junkyard, but here's a new one just as an example.
http://rover.ebay.com/rover/1/711-5...0001&campid=5335821607&icep_item=223053148290
Seems like a pretty simple setup in terms of wiring. Obviously the biggest question is how much current it can handle. I'm running an 95 V6 fan which is single speed only, and i've measured approx 25 amps continuous when running. I forget offhand the starting current but i can measure that.
Quick searching around, i see the Volvo models equipped with the above controller use a 60A fuse for the radiator fan.
Here's the vid
View: https://youtu.be/7y623OihCsU
BTW, how are you planning on using the Ford 60-pin on the MS3?
Are you going to stuff it into an EEC-IV box?
This is how Stinger does it.
I just saw your post over on the Corral about the Volvo fan controller. I remember those, won't work with the MarkVIII or SN95 fans. Might work with yours.Motherboard done.
They have you run some tests at this point. I need to grab some low current fuses before proceeding but so far so good. Some of the smaller transistors were a PITA. The leads are close together, so a soldering iron with a thin tip is a must to get in there and not create solder bridges.
This will be a pause point for a few days. Just around 4 hrs total so far
BTW, he uses a green fuselink to connect the DCC to the battery. Do not use any old 60A fuse, it must be a slo-blow or a green fuselink.
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