$22 Volvo brushless PWM fan Current AMP test Part 5

XC90 PWM fan amperage test at slow 10% speed = 3 amps, up to half speed = 18 amps.
If current is linear, I would expect it to pull about 40 amps at full speed. My current shunt would not go above 20 amps.

[@tobycanales1062]

great video can you post a wire diagram of how you control the fan with PWM

[@aknovaman]

do you mean with the arduino or the ebay pwm box in this video?

[@tobycanales1062]

ebay PWM and another ? did you ever finish the e67 harness. I just started a gen 4 with a e67 every thing is out of a 2007 Buick rainier 5.3 i had vats removed still won't start

[@aknovaman]

@Toby Canales buy the $10 ebay box if you want to test your fan. 12v and ground then pulse output goes to the purple volvo pwm input. the e67 can be programmed to directly drive the volvo fan with the proper settings.

[@tobycanales1062]

@@aknovaman awesome thanks for the info

[@luctessier2215]

Awesome thanks!

[@joseverduzco6132]

Can you add a relay??? I hooked it up the same way my voltage drop.???

[@aknovaman]

No. It needs a 128hz pulse to operate directly.