moredbs Posted February 22, 2015 Report Share Posted February 22, 2015 the car will run fine without the harness, you will just be bypassing the pcm. battery light will come on,but it doesn't affect anything. Link to comment Share on other sites More sharing options...
cocoleveo7686 Posted February 23, 2015 Report Share Posted February 23, 2015 Any insite on above post. I want to get alt but dont wanna waste my money. He said its part pcm psrt something else so I dont hook up the stock harness just run positive from alt to battery and ill throw battery light code. Link to comment Share on other sites More sharing options...
moredbs Posted February 23, 2015 Report Share Posted February 23, 2015 Any insite on above post. I want to get alt but dont wanna waste my money. He said its part pcm psrt something else so I dont hook up the stock harness just run positive from alt to battery and ill throw battery light code. Singer will send you a relay switch to turn on your ho alternator. factory plug won't be needed,and you will get full output of your singer alternator. Good choice in alternator too! Link to comment Share on other sites More sharing options...
cocoleveo7686 Posted February 23, 2015 Report Share Posted February 23, 2015 Any insite on above post. I want to get alt but dont wanna waste my money. He said its part pcm psrt something else so I dont hook up the stock harness just run positive from alt to battery and ill throw battery light code. Singer will send you a relay switch to turn on your ho alternator. factory plug won't be needed,and you will get full output of your singer alternator. Good choice in alternator too! he said its pcm so needs to be externally regulated in my car and thats the only way to keep voltage stable Link to comment Share on other sites More sharing options...
moredbs Posted February 23, 2015 Report Share Posted February 23, 2015 Any insite on above post. I want to get alt but dont wanna waste my money. He said its part pcm psrt something else so I dont hook up the stock harness just run positive from alt to battery and ill throw battery light code. Singer will send you a relay switch to turn on your ho alternator. factory plug won't be needed,and you will get full output of your singer alternator. Good choice in alternator too! he said its pcm so needs to be externally regulated in my car and thats the only way to keep voltage stable I don't think you understood correctly. An alternator that is internally regulated means it is set to run at a voltage on its own internally.(14.5) An alternator that is externally regulated means its controlled by the factory plug ,which will limit performance because of the pcm.(drops to 13. something because of fuel economy) Link to comment Share on other sites More sharing options...
greg4510 Posted February 23, 2015 Author Report Share Posted February 23, 2015 ok so in my case with the 2007 escalade what should I do about my pcm alt so I know what to do before I spend money for nun Link to comment Share on other sites More sharing options...
Miguels Posted February 23, 2015 Report Share Posted February 23, 2015 why not run the stock for the truck and add the second for the audio? my logshttp://www.stevemead...-my-new-set-up/my blow through loghttp://www.stevemead...future-updates/ 96 ss http://www.stevemeadedesigns.com/board/topic/164094-96-impala-ss-build/ Link to comment Share on other sites More sharing options...
Shenker Posted February 24, 2015 Report Share Posted February 24, 2015 why not run the stock for the truck and add the second for the audio? forgive me for my ignorance here, im just learning about alt setups, but what all is involved in doing something like this when using a purchased bracket, mounts, etc? do you need custom made belts for running more then one alt? This is exactly the solution im eventually going to have to go myself. -If its loud, fast, outrageous, or all of the above, chances are i'll think its awesome. -"No way he's OCD." -said none of the people that know me ever. 04' Suburban "Lucifer" A.K.A #Lucii (Under Construction) 4 10s on 4kW in 6cu net @~28hz /////Alpine Crescendo KnuKoncepts Optima SHCA Build Thread 92' JDM 325i "Stella" ~Going for sale to build a 350+hp E30~ Gutted pipes 96,000 OG KM's (59,000 mi) -System Removed- 1 10 on 1kW 89' Gen 3 Honda Prelude SI AWS "Odis" Bone Stock Possibly going to stance it Link to comment Share on other sites More sharing options...
cocoleveo7686 Posted February 24, 2015 Report Share Posted February 24, 2015 Any insite on above post. I want to get alt but dont wanna waste my money. He said its part pcm psrt something else so I dont hook up the stock harness just run positive from alt to battery and ill throw battery light code. Singer will send you a relay switch to turn on your ho alternator. factory plug won't be needed,and you will get full output of your singer alternator. Good choice in alternator too! he said its pcm so needs to be externally regulated in my car and thats the only way to keep voltage stable I don't think you understood correctly. An alternator that is internally regulated means it is set to run at a voltage on its own internally.(14.5) An alternator that is externally regulated means its controlled by the factory plug ,which will limit performance because of the pcm.(drops to 13. something because of fuel economy) Mike told me that his alts are internally regulated at 14.8. I thought external I could turn voltage up to 16? He also told me id run a power wire from alt to 12v ignition source that is relayed. What size alt is good fpr 4k rms Link to comment Share on other sites More sharing options...
rockFord_Expedition Posted February 24, 2015 Report Share Posted February 24, 2015 Any insite on above post. I want to get alt but dont wanna waste my money. He said its part pcm psrt something else so I dont hook up the stock harness just run positive from alt to battery and ill throw battery light code. Singer will send you a relay switch to turn on your ho alternator. factory plug won't be needed,and you will get full output of your singer alternator. Good choice in alternator too! he said its pcm so needs to be externally regulated in my car and thats the only way to keep voltage stable I don't think you understood correctly. An alternator that is internally regulated means it is set to run at a voltage on its own internally.(14.5) An alternator that is externally regulated means its controlled by the factory plug ,which will limit performance because of the pcm.(drops to 13. something because of fuel economy) Mike told me that his alts are internally regulated at 14.8. I thought external I could turn voltage up to 16? He also told me id run a power wire from alt to 12v ignition source that is relayed. What size alt is good fpr 4k rms Why don't you start your own thread instead of thread jacking someone else? Old School/New School RF Build March 2015 SOTM Winner How to crimp large wire Link to comment Share on other sites More sharing options...
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