Aftermarket Alternator for high amps - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Vortec 5.3L V8 Engine and Drivetrain > OEM Issues

OEM Issues Original Equipment Repairs and/or Problems

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  #1  
Old 06-26-2019, 04:33 PM
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antraw antraw is offline
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2006 GMC TrailBlazer LS
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Aftermarket Alternator for high amps

My problem now is Envoy Denali draws alot of problem...causing the engine to shutdown on extremely hot days...90 or above...would replacing the alternator for a higher amperage load be beneficial?
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Old 09-13-2019, 02:29 PM
HBH-Tom HBH-Tom is offline
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2004 Chevy TrailBlazer LS
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Yeah? Usually they help but you'll also want to upgrade the charging wires usually referred to as the big 3 or 4 and I'd recommend bigger batts too possibly multiple if enough power is being drawn.?
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Old 09-16-2019, 03:16 PM
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Schurkey Schurkey is offline
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Quote:
Originally Posted by antraw View Post
My problem now is Envoy Denali draws alot of problem
Huh? WHAT problem(s)? If the"problem" isn't low voltage, a replacement alternator isn't likely to fix anything.

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Originally Posted by antraw View Post
...causing the engine to shutdown on extremely hot days...90 or above...
Connect a scan tool, look at the data stream. Maybe you'll even find some stored trouble codes.

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Originally Posted by antraw View Post
would replacing the alternator for a higher amperage load be beneficial?
Again, WHAT problem?
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  #4  
Old 09-16-2019, 04:37 PM
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antraw antraw is offline
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2006 GMC TrailBlazer LS
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Homie...cool out answering all if my old post...i found out my problem...at the time i was posting I didnt have the schematics on the truck....but i brought a subscription with alldatadiy.com and a bosch 625 diagnostics machine along with a voltage proble....i figured this truck like the back of my hand now!! Thank you

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Old 09-18-2019, 07:21 AM
NJTB04 NJTB04 is offline
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And the fix was????
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Old 09-18-2019, 07:24 AM
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antraw antraw is offline
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2006 GMC TrailBlazer LS
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And the fix was????
Well the fix was for the fuse box copper wire break for the powertrain relay....if you check my profile for my post you would see my fix along with many others who talked about this issue!
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Old 09-18-2019, 07:27 AM
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antraw antraw is offline
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2006 GMC TrailBlazer LS
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Originally Posted by HBH-Tom View Post
Yeah? Usually they help but you'll also want to upgrade the charging wires usually referred to as the big 3 or 4 and I'd recommend bigger batts too possibly multiple if enough power is being drawn.?
Thanks.....I was thinking yellow top optima battery along with a marine battery and solenoid for my aftermarket accessories (remote start and amp upgrade)....the gauges you are spot on...thanks for the tip!
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