Tnop Posted October 11, 2013 Report Share Posted October 11, 2013 I have a tenny alternator 250 amps, at idle ? I think i am having charging problems when i am driving the voltage is 15.3 but when i come to a complete stop i just watch my voltage drop from 15 volts to 12.1 volt is this normal. i have a xsd3100 in the trunk and a kinetic 1400 under the hood i have the big 3 done and 0 guage wire run for the entire system. Link to comment Share on other sites More sharing options...
Lbox88 Posted October 11, 2013 Report Share Posted October 11, 2013 What do you idle at? UBL | Build Log Link to comment Share on other sites More sharing options...
Tnop Posted October 11, 2013 Author Report Share Posted October 11, 2013 What do you idle at? I do not no. Link to comment Share on other sites More sharing options...
CDetty Posted October 11, 2013 Report Share Posted October 11, 2013 Start your car, let it warm up to operating temp and check your rpms. 1999 Honda Civic- RIP 2003 Acura RSX Type-S Link to comment Share on other sites More sharing options...
CJ18 Posted October 11, 2013 Report Share Posted October 11, 2013 If you drop to 12.1 at idle, that means that the alternator is not turning on at that low RPM. You either need a shorter belt to improve belt contact on the pulley or a larger pulley on the alternator. Also sell the tenney for scrap and buy a quality alt. Link to comment Share on other sites More sharing options...
Bump4life Posted October 11, 2013 Report Share Posted October 11, 2013 If you drop to 12.1 at idle, that means that the alternator is not turning on at that low RPM. You either need a shorter belt to improve belt contact on the pulley or a larger pulley on the alternator. Also sell the tenney for scrap and buy a quality alt. he needs a smaller pulley. Buyer/Seller Feedback Thread: http://www.stevemead...5015-bump4life/ MB C220 153 Trunk Car Build Log: http://www.stevemead...d/#entry1840136 MB C280 Ipad Dash SQ Build Log: http://www.stevemeadedesigns.com/board/topic/194484-bump4lifes-new-benz-tony-c-relay-kit-pictures-ce-electric-audison-front-stage-installed/ My SPL Log: http://www.stevemead...__fromsearch__1 BMW M340 xDrive Stock, for now. Corner Load 10" maybe soon. But does 10s in the 1/4... Best Scores out of a trunk 153.0 sealed legal full tilt clamped 5524 @ 42 hz 154+ windows down, 155+ kick Link to comment Share on other sites More sharing options...
Keith77 Posted October 11, 2013 Report Share Posted October 11, 2013 Send it Singer he will fix your issue... Thats cool. Im way too old to be upset by shit like that. Your name is winston. Your own parents hated you even before you were born. My penis is bigger than your penis I'm far from loud and my roof/headliner flaps around like Adam's ass on a windy day. I think it depends more on the structure of the vehicle. Link to comment Share on other sites More sharing options...
K_SubieXT Posted October 11, 2013 Report Share Posted October 11, 2013 Is it externally regulated? I friend of mine had a the regulater go out on his tenny and everytime he hit the gas the voltage would jump to 18v My 95 Jeep Cherokee Build: http://www.stevemeadedesigns.com/board/topic/157643-1995-jeep-cherokee-build-sub-is-in-and-playing/ Link to comment Share on other sites More sharing options...
Tnop Posted October 11, 2013 Author Report Share Posted October 11, 2013 The alternator has a smaller pulley and a shorter belt it is also externally regulated. The car is a 97 Chevy Malibu here is the car at idle. [/url]">http:// Link to comment Share on other sites More sharing options...
TeamHT Posted October 11, 2013 Report Share Posted October 11, 2013 If you drop to 12.1 at idle, that means that the alternator is not turning on at that low RPM. You either need a shorter belt to improve belt contact on the pulley or a larger pulley on the alternator. Also sell the tenney for scrap and buy a quality alt. I bought two of his 350s because I was in love with the dual inputs and thought he was cool...never installed them...after everything went down I could not just sell them to someone else. I threw them away Tell me...does this smell like chloroform to you? Link to comment Share on other sites More sharing options...
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