DC Power Eng Alternator
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Junior User
Joined: Jan 2012
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DC Power Eng Alternator
Installed my new 190AMP OEM alternator this AM. Hooked up my scan gage and took it for a test drive. Noted 11.3-12.1 VLT. Remembered the NAPA was around 13 VLT. Drove about 50 miles, no change.
Four hours later went out to play with scan Gage, VLT 11.3. After 15 min idle wrench light popped on, shut her off and tried to restart, dead battery.
Any ideas?
Four hours later went out to play with scan Gage, VLT 11.3. After 15 min idle wrench light popped on, shut her off and tried to restart, dead battery.
Any ideas?
Moderator
Joined: Dec 2005
Posts: 2,813
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From: Billings, Montana
Installed my new 190AMP OEM alternator this AM. Hooked up my scan gage and took it for a test drive. Noted 11.3-12.1 VLT. Remembered the NAPA was around 13 VLT. Drove about 50 miles, no change.
Four hours later went out to play with scan Gage, VLT 11.3. After 15 min idle wrench light popped on, shut her off and tried to restart, dead battery.
Any ideas?
Four hours later went out to play with scan Gage, VLT 11.3. After 15 min idle wrench light popped on, shut her off and tried to restart, dead battery.
Any ideas?
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Junior User
Joined: Jan 2012
Posts: 65
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Alternator
Yes, you are right. After three from NAPA I decided to up the ante and go for a big boy alternator, DC Power Engineering. Got the 190AMP. I'm thinking it's not the alternator. I did read somewhere that the alt pulley was smaller but I haven't measured it. That could affect belt tension. Belt looks good, has 150k it, man I hate to chage that thing
Was hoping it would be a simple swap. Wishful thinking.
Was hoping it would be a simple swap. Wishful thinking.
Moderator
Joined: Dec 2005
Posts: 2,813
Likes: 147
From: Billings, Montana
Anymore when I buy an alternator I have it tested before I take it home just for that reason. You should be showing about 14 v if it's working right. I find it hard to believe it's the pulley, the tensioning pulley should compensate for that if thats the case.
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
DC Power Engineering,
Has spacers for it. I know it Sunday
but I would give them a call tomorrow
Did you get the upgraded cables ?
There was something about using the
originals along with the new ones.
You really should call them.
Sean
Has spacers for it. I know it Sunday
but I would give them a call tomorrow
Did you get the upgraded cables ?
There was something about using the
originals along with the new ones.
You really should call them.
Sean
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Alternator fdn spacers
my thoughts were to use about 1/2" of washers to jack it up and add a little more belt tension. If that is not sat, I'll definitely call DC Eng'g.
Also, I thought OEM was original equipment manufacture "ORIGINAL". If there is something different about a cable that the mfg knows and does not relate to the buyer and the buyer is left on the side of the road.
Before I get excited, I need to at least give them a call.
I'll keep y'all posted.
Also, I thought OEM was original equipment manufacture "ORIGINAL". If there is something different about a cable that the mfg knows and does not relate to the buyer and the buyer is left on the side of the road.
Before I get excited, I need to at least give them a call.
I'll keep y'all posted.
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Junior User
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Generator still playing tricks
while DC Eng'g is deciding what to do about the returnee, I'm still running my ole NAPA (#4). While taking my wife to a Dr appointment and in the rain, the ABS light popped on, never happens. I asked my wife to check the scan Gage and the report was 7.9 vlts. WOW!! Before I could get turned around things turn black then dead.
Call AAA, haul home expecting dead alternator. Charged both batteries fired it up. Alternator reads 14 vlts. Surprise. Road test never dropped below 13.7 vlts.
Don't think I fixed crap.
Is it possible for the alternator to self heal? I usually drive with the scan gage on my lap to keep an eye for such but since it was raining and on a back road I had my eye on the road.
Call AAA, haul home expecting dead alternator. Charged both batteries fired it up. Alternator reads 14 vlts. Surprise. Road test never dropped below 13.7 vlts.
Don't think I fixed crap.
Is it possible for the alternator to self heal? I usually drive with the scan gage on my lap to keep an eye for such but since it was raining and on a back road I had my eye on the road.
New User
Joined: Jan 2010
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Installed my new 190AMP OEM alternator this AM. Hooked up my scan gage and took it for a test drive. Noted 11.3-12.1 VLT. Remembered the NAPA was around 13 VLT. Drove about 50 miles, no change.
Four hours later went out to play with scan Gage, VLT 11.3. After 15 min idle wrench light popped on, shut her off and tried to restart, dead battery.
Any ideas?
Four hours later went out to play with scan Gage, VLT 11.3. After 15 min idle wrench light popped on, shut her off and tried to restart, dead battery.
Any ideas?
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