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7.3 OBS PSD 94-97 PowerStroke Discussion

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Old 08-23-2015, 07:28 PM   #1
lews930
 
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Exclamation a/c blower motor upgrade?

Just installed a brand new blower motor in my 97 obs. I'm looking for higher fan speeds

any ideas?


Thank you in advance
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Old 08-27-2015, 06:03 PM   #2
lews930
 
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Anyone? ?????
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Dodge 3500 12v, 6 speed (R.I.P.)
2003 john deere 5105
2005 john deere 6420
2012 john deere 6430
2007 kubotoa rtv
1991 Toyota pickup with VW TDI power

NOT a diesel pro but learning
 
Old 08-27-2015, 09:49 PM   #3
smokinVE
 
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Not sure about the old furds, but on my old dodge the power feed on high is very sub par. The drunken engineer was pulling power from the ignition switch. I went ahead and wired in a relay for high speed. So my high speed is seeing actual battery voltage rather than the 10.9v it used to see. Worked for my old pile, night and day difference on blower volume. I suggest you see how much voltage your high speed setting is actually supplying the blower motor.

Also make sure all your blend/mode doors are functioning correctly.

Note, you'll need to install a diode so it doesn't turn into a perpetual motion blower motor.....
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Old 08-28-2015, 01:24 PM   #4
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Don't forget plugged heater or evaporator cores (externally).
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Old 08-28-2015, 06:41 PM   #5
lews930
 
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Thanks smokin.

Shainer, I'll look into it
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Dodge 3500 12v, 6 speed (R.I.P.)
2003 john deere 5105
2005 john deere 6420
2012 john deere 6430
2007 kubotoa rtv
1991 Toyota pickup with VW TDI power

NOT a diesel pro but learning
 
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