Team_DC-Derrick Posted December 11, 2011 Report Share Posted December 11, 2011 Dude, that doesn't make sense, you want 2 alts to run your electrical in your vehicle? Instead of one for your vehicle, safe and sound, and one solely for you system without putting strain on the rest of vehicle components? I must be missing something? both alts will keep the system up and running and both alts will provide power to the components of the vehicle.. it wont hurt anything.... The DC Integra 3 18s to 6 15 build log Team_DC-Derrick's Youtube Team DC Audio where theres a will theres a wall....... I just realized Steve has reach Voldemort status, over on JP's site he is the one who will not be named....."We dont speak his name over here, fearing it will destroy us" LOL not even in hush tones Link to comment Share on other sites More sharing options...
Cardboardcat15 Posted December 11, 2011 Report Share Posted December 11, 2011 Dude, that doesn't make sense, you want 2 alts to run your electrical in your vehicle? Instead of one for your vehicle, safe and sound, and one solely for you system without putting strain on the rest of vehicle components? I must be missing something? both alts will keep the system up and running and both alts will provide power to the components of the vehicle.. it wont hurt anything.... This.^^^^ Most people run their alts separately because they run 16/18v systems My Channel on YouTube. Check it out for cinematic-style Car Audio videos. https://www.youtube.com/channel/UCcSMhtT-rpopJbdybubDgnQ New 2014 Scion TC 4th Wall Build https://www.stevemeadedesigns.com/board/topic/217173-2014-tc-4th-order-build-3-fi-sp4-15s/ Link to comment Share on other sites More sharing options...
UnderLoK Posted December 11, 2011 Report Share Posted December 11, 2011 Completely depends on the car/alt/year. Can't elaborate anymore until you say what you have. There is absolutely no reason to run 2 systems unless you are running higher voltage as others have pointed out. If at first you do not succeed, you are doing it wrong! -ARSCheck out my walled TBSS build over here4 Fi Team 18s on 2 Cactus K9 DS18 doors on 2 MBQ 1Ks, Vifa pillars on a STL4.500 Pioneer X8500 6 XS Power D7500, 1 3400S Second Skin 2 270a Mechman Alts Link to comment Share on other sites More sharing options...
Team_DC-Derrick Posted December 11, 2011 Report Share Posted December 11, 2011 I think what he wants is to add a second alt, just to keep his voltage from dropping to low... i dont think he wants to run 16v or higher i dont think he wants both alts to JUST run the cars electrical I think he wants both alts to keep the vehicle charged, AND work with the stereo system to keep it in top performing condition.. LOL The DC Integra 3 18s to 6 15 build log Team_DC-Derrick's Youtube Team DC Audio where theres a will theres a wall....... I just realized Steve has reach Voldemort status, over on JP's site he is the one who will not be named....."We dont speak his name over here, fearing it will destroy us" LOL not even in hush tones Link to comment Share on other sites More sharing options...
Colin - STAPUFT Posted December 11, 2011 Report Share Posted December 11, 2011 Not mad or to sound butthurt, but for the life of me I can't understand why this always becomes the thread. EVERY online research I have looked into the thread turns into "Just run 2 different electrical systems". That isn't what was asked or what is wanted. I (for one) don't want to HAVE to have multiple batteries. Honestly, I would rather have too many alternators and ONE battery. Batteries go out after 4-6 years. If you treat an Alt right, they will last for 300k miles.... I only want ONE system to worry about. The Entire charging system should be big enough to run the meager demands of my vehicle AND whatever the inordinate amount of amperage my system deems that it needs. So- back to the question: What wires on the alternator harness are hooked to what when running 2 (or more) alternators? Can they just be hooked together in parallel?? Are all of them needed or just one? I don't want to buy a MLA (or something similar), I don't want to buy an alternator other than a factory type (internally regulated), and I don't want to run two different systems. I hope I was not unclear. 12 - 12"s in the STAY PUFT 1989 Chevy Astro Build & Comment Log Un-Interrupted Build LogYouTube Channel Chevy Trailblazer 5.1 Dolby Digital DTS Install You have a beard of a mysterious sea captain. I would follow you to hell and back. Link to comment Share on other sites More sharing options...
THEMERQ Posted December 12, 2011 Author Report Share Posted December 12, 2011 I think what he wants is to add a second alt, just to keep his voltage from dropping to low... i dont think he wants to run 16v or higher i dont think he wants both alts to JUST run the cars electrical I think he wants both alts to keep the vehicle charged, AND work with the stereo system to keep it in top performing condition.. LOL you are 100% correct sir. Link to comment Share on other sites More sharing options...
THEMERQ Posted December 12, 2011 Author Report Share Posted December 12, 2011 Not mad or to sound butthurt, but for the life of me I can't understand why this always becomes the thread. EVERY online research I have looked into the thread turns into "Just run 2 different electrical systems". That isn't what was asked or what is wanted. I (for one) don't want to HAVE to have multiple batteries. Honestly, I would rather have too many alternators and ONE battery. Batteries go out after 4-6 years. If you treat an Alt right, they will last for 300k miles.... I only want ONE system to worry about. The Entire charging system should be big enough to run the meager demands of my vehicle AND whatever the inordinate amount of amperage my system deems that it needs. So- back to the question: What wires on the alternator harness are hooked to what when running 2 (or more) alternators? Can they just be hooked together in parallel?? Are all of them needed or just one? I don't want to buy a MLA (or something similar), I don't want to buy an alternator other than a factory type (internally regulated), and I don't want to run two different systems. I hope I was not unclear. yes thank you. do i wire both harness' in parallel? that means i have to splice the second alts harness to my stock harness. someone on another forum told me that i just have to run a turn on lead from the first alt to the second one, but i dont know if thats correct. if thats all i have to do i will just snip the turn on lead on my stock harness and use a wire nut to jump the wire to the second alts harness. Link to comment Share on other sites More sharing options...
UnderLoK Posted December 12, 2011 Report Share Posted December 12, 2011 Not mad or to sound butthurt, but for the life of me I can't understand why this always becomes the thread. EVERY online research I have looked into the thread turns into "Just run 2 different electrical systems". That isn't what was asked or what is wanted. I (for one) don't want to HAVE to have multiple batteries. Honestly, I would rather have too many alternators and ONE battery. Batteries go out after 4-6 years. If you treat an Alt right, they will last for 300k miles.... I only want ONE system to worry about. The Entire charging system should be big enough to run the meager demands of my vehicle AND whatever the inordinate amount of amperage my system deems that it needs. So- back to the question: What wires on the alternator harness are hooked to what when running 2 (or more) alternators? Can they just be hooked together in parallel?? Are all of them needed or just one? I don't want to buy a MLA (or something similar), I don't want to buy an alternator other than a factory type (internally regulated), and I don't want to run two different systems. I hope I was not unclear. yes thank you. do i wire both harness' in parallel? that means i have to splice the second alts harness to my stock harness. someone on another forum told me that i just have to run a turn on lead from the first alt to the second one, but i dont know if thats correct. if thats all i have to do i will just snip the turn on lead on my stock harness and use a wire nut to jump the wire to the second alts harness. How is anyone supposed to tell you when no one has any idea what kind of car you have or what alt you plan on putting in? There isn't just one kind of alternator nor is there only 1 kind of ECU/PCM If at first you do not succeed, you are doing it wrong! -ARSCheck out my walled TBSS build over here4 Fi Team 18s on 2 Cactus K9 DS18 doors on 2 MBQ 1Ks, Vifa pillars on a STL4.500 Pioneer X8500 6 XS Power D7500, 1 3400S Second Skin 2 270a Mechman Alts Link to comment Share on other sites More sharing options...
THEMERQ Posted December 12, 2011 Author Report Share Posted December 12, 2011 this is for a 2000 mercury grand marquis. im using the bracket that is used in police/limo vehicles to mount a second alt facing toward the engine. the alt i currently have is an irragi 240 and the secondary one will be a brand new stock 200 amp alt. Link to comment Share on other sites More sharing options...
stevo2deep Posted December 12, 2011 Report Share Posted December 12, 2011 Is it okay to run an alt in reverse rotation facing the motor??? If so thats about the only way I could stuff a second alt in without yanking out a/c. I was once told that as long as both internal voltage regulators are set to within .5 volts to each other that they would be fine, but still not sure if you would run all harness wires parallel? Im tuned in as well no you're a towell 99 Isuzu Vehicross FTW DC 5K (would like to be 7.5K) DC 350.4 (2X) SOLOX 18s WALL 17 CUBES (3X) XS D3100'S REAR / (1X) D3400 FRONT Kenwood Excelon flip-out w/rear view and navi Singer Alt FTW TOO LAZY TO LOG BUILD, MAYBE TOMORROW Link to comment Share on other sites More sharing options...
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