Wounded_Fighter Posted August 26, 2020 Share Posted August 26, 2020 So, I've had this happen once before and it ended up being the starter relay going bad but I'm curious on other peoples thoughts on this. Went on a short ride, 3 blocks, no problems. Got my food then turned the truck back on to head back. Going down the road it just ... shut down. No rhyme or reason behind it that I can determine. Last time this happened I was not able to crank the vehicle after work... (relay died) we'll see if this repeats this time after work... Side question. Do I have too much current draw from the battery? With nothing but the engine on its 13.5v?(give or take, just looking at the gauge) radio on, 0.5v? less... radiator fan on, 1v? Less... A/C on... it sits at what 10v? The line on the left, just above the (hey stupid your battery is low) red area by the 9v indication. Optima red top battery New Duralast Alternator (1 week in use) less than 300miles MeanLemons battery cable system Whats ya'lls take on this? (/rant@workonbreak) Link to comment Share on other sites More sharing options...
87MJTIM Posted August 26, 2020 Share Posted August 26, 2020 Similar issue for me years ago, turned out the CPS went bad. I recommend testing it before changing it. Link to comment Share on other sites More sharing options...
Pete M Posted August 26, 2020 Share Posted August 26, 2020 do you have a multimeter? you need to verify that the gauge is accurate. Link to comment Share on other sites More sharing options...
Wounded_Fighter Posted August 26, 2020 Author Share Posted August 26, 2020 44 minutes ago, Pete M said: do you have a multimeter? you need to verify that the gauge is accurate. How would you test it under the load? Link to comment Share on other sites More sharing options...
Pete M Posted August 26, 2020 Share Posted August 26, 2020 at the battery terminals. Link to comment Share on other sites More sharing options...
Wounded_Fighter Posted August 27, 2020 Author Share Posted August 27, 2020 On 8/26/2020 at 5:29 PM, Pete M said: at the battery terminals. So I had two different auto stores test it for me just to see if the results would be different. Both said voltage regulator on alternator is going bad. Wtf... Link to comment Share on other sites More sharing options...
WahooSteeler Posted August 28, 2020 Share Posted August 28, 2020 11 minutes ago, Wounded_Fighter said: So I had two different auto stores test it for me just to see if the results would be different. Both said voltage regulator on alternator is going bad. Wtf... Well than 1) should be a free replacement from AutoZone under warranty, and 2) was it a reman unit? Unfortunately reman electrical parts can often be hit or miss. Link to comment Share on other sites More sharing options...
Wounded_Fighter Posted August 28, 2020 Author Share Posted August 28, 2020 1 hour ago, WahooSteeler said: Well than 1) should be a free replacement from AutoZone under warranty, and 2) was it a reman unit? Unfortunately reman electrical parts can often be hit or miss. I don't do reman products. New only Gonna try cleaning connector again and see what happens. Link to comment Share on other sites More sharing options...
eaglescout526 Posted August 28, 2020 Share Posted August 28, 2020 2 MoPar reman 85 amp alts left for the 4.0L if thats a route you want to take. Link to comment Share on other sites More sharing options...
WahooSteeler Posted August 28, 2020 Share Posted August 28, 2020 14 minutes ago, Wounded_Fighter said: I don't do reman products. New only Gonna try cleaning connector again and see what happens. Link to comment Share on other sites More sharing options...
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