NeverEasy Posted June 27, 2018 Report Share Posted June 27, 2018 While at the WCR, I had an opportunity to work on a Hayes brake controller and found it completely different from my simple rheostat/slider one. This one was full of electronics. After the problem was fixed (PFM) I checked the output voltage and current. Both ramped up and down relative to air pressure much better and smoother than mine. I contacted Hayes and was given the new part number: HA100400C. I ordered one today. Chet & Deb '01 Volvo 660 w/ Smart '19 Forest River Columbus 320RS 5th wheel 2022 Chev 2500HD Long Bed Retired CWO4, USN and federal service Electronics Tech/Network Engineer/Welder/Machinist Link to comment Share on other sites More sharing options...
alan0043 Posted June 27, 2018 Report Share Posted June 27, 2018 1 hour ago, NeverEasy said: While at the WCR, I had an opportunity to work on a Hayes brake controller and found it completely different from my simple rheostat/slider one. This one was full of electronics. After the problem was fixed (PFM) I checked the output voltage and current. Both ramped up and down relative to air pressure much better and smoother than mine. I contacted Hayes and was given the new part number: HA100400C. I ordered one today. Hi Chet, I have the same model number myself. Seems to work good. Al 2012 Volvo VNL 630 w/ I-Shift; D13 engine; " Veeger " Redwood, model 3401R ; 5th Wheel Trailer, " Dead Wood " 2006 Smart Car " Killer Frog " Link to comment Share on other sites More sharing options...
Big5er Posted June 27, 2018 Report Share Posted June 27, 2018 Interesting....gonna have to see which one I have. Chet, does it look like the older ones? MY PEOPLE SKILLS ARE JUST FINE.~It's my tolerance to idiots that needs work.~ 2005 Volvo 780 VED12 465hp / Freedomline transmission singled mid position / Bed by Larry Herrin2018 customed Mobile Suites 40KSSB3 2014 smart Fortwo Link to comment Share on other sites More sharing options...
alan0043 Posted June 27, 2018 Report Share Posted June 27, 2018 46 minutes ago, Big5er said: Interesting....gonna have to see which one I have. Chet, does it look like the older ones? Hi Phil, It looks just like the old model on the outside. It is when you take the cover off you will see a difference. All electronics inside. Al 2012 Volvo VNL 630 w/ I-Shift; D13 engine; " Veeger " Redwood, model 3401R ; 5th Wheel Trailer, " Dead Wood " 2006 Smart Car " Killer Frog " Link to comment Share on other sites More sharing options...
Big5er Posted June 27, 2018 Report Share Posted June 27, 2018 cool, if mine ever blows up I'll make sure to get the new model. Thanks Al. MY PEOPLE SKILLS ARE JUST FINE.~It's my tolerance to idiots that needs work.~ 2005 Volvo 780 VED12 465hp / Freedomline transmission singled mid position / Bed by Larry Herrin2018 customed Mobile Suites 40KSSB3 2014 smart Fortwo Link to comment Share on other sites More sharing options...
CrazyCooter Posted June 28, 2018 Report Share Posted June 28, 2018 I noted the difference when I install one in a client's truck on Monday. First clue was the added white wire for a ground. Then I noticed a relay clicking inside. Appearance wise, they are identical. 1999 Peterbilt 385 C12 430/1650 13spd 2006 Dodge 3500 DRW 4x4 2010 Hitchhiker Champagne 36 LKRSB Link to comment Share on other sites More sharing options...
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