Big three installed, no gains, and check engine light is now on..

I just got down installed the big three in my 2004 dodge ram 1500 with KNU ofc wire
I did a wire from positive on the battery to alt.

Negative on battery to frame.

and alt chassis to frame.

I see only .02v gain..... and i still get light dimming. Not to mention my check engine light is now on.

I have a SQ-1200D pushing around 900 watts give or take. Do you need pictures? I sanded down all the grounds and kept stock wiring as well. Fused with a 150 amp fuse. I have a stock 136amp alternator.

Does anybody know what might be the issue, if you need any more info just ask for it.

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Idling at 14.02v which was the same as before.. and when i play music while at idle i have seen it drop to as low as 12.6v at full tilt! depending on the song, depends on how low it drops. I can say it never stays above 13.9v

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Alright, i was planning on doing the sig thing anyways just procrastinated, but it super weird.
2004 Dodge ram 1500 4.7 with a stock 136 amp alt

Big three with KNU wiring ofc 1/0 guage fused for 136 amps

Have a SQ-1200D v1 wired at 2 ohms

Have a pionner DEH - x6600BT HU

Stock mids and highs (only factory amp) (Doing a front stage in a near future, one thing at a time)

2 SSA Dcon 10inch SVC 2 ohm woofers wired to 2 ohms in a box i made around 3 cubes after displacement tuned to 33hz

Stock 12v battery putting out 770 CCA ( i think... i just briefly read it earlier) if that matters

Kept all stock wiring just added more,

the only flag i might see is i grounded the alt chassis to the frame instead of the engine block to the battery post.

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Yeah, all i mean is everywhere i have read, about the big three people say ground the alt to the battery and ground the battery to the frame BUT when it comes to the last ground i see a lot of "Ground the engine block to the battery or frame" while i grounded my alt chassis to the frame. btw i fixed the PCM code, it had nothing to do with this issue, i forgot to plug up my MAF sensor. I was just told that maybe the voltage regulator is regulating how much the alt can give the battery and that is why i see no more than i am.
I agree on the wiring, im 99.8% sure i wired it correctly, but i will check again real quick.

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Yeah, all i mean is everywhere i have read, about the big three people say ground the alt to the battery and ground the battery to the frame BUT when it comes to the last ground i see a lot of "Ground the engine block to the battery or frame" while i grounded my alt chassis to the frame. btw i fixed the PCM code, it had nothing to do with this issue, i forgot to plug up my MAF sensor. I was just told that maybe the voltage regulator is regulating how much the alt can give the battery and that is why i see no more than i am.
I agree on the wiring, im 99.8% sure i wired it correctly, but i will check again real quick.

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I just went out there and checked (curiosity was getting to me) i am in fact at wired at 2 ohms. I have three wires, just instead of grounding the engine block i put the ground on the alternator case.
Noloud4U, that is what i was thinking and i read that the alternator is grounded through the engine block, and had read that if you have enough wire just wire it to the alternator case, so i did.

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I just went out there and checked (curiosity was getting to me) i am in fact at wired at 2 ohms. I have three wires, just instead of grounding the engine block i put the ground on the alternator case.
Noloud4U, that is what i was thinking and i read that the alternator is grounded through the engine block, and had read that if you have enough wire just wire it to the alternator case, so i did.

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