vactor

i am going to install a system in my 2009 G37 sedan with navigation. if i want to use the front and rear outputs from the radio before the amp, i connect my amp to these pins on connector B41 / B42, correct?

(23) Rear Left - (SB)(Sky Blue) **Preamp from HU
(24) Rear Left + (V)(Violet) **Preamp from HU

(25) Rear Right - (Y)(Yellow) **Preamp from HU
(26) Rear Right + (BR)(Brown) **Preamp from HU

(33) Front Right + (R)(Red) **Preamp from HU
(34) Front Right - (G)(Green) **Preamp from HU

(35) Front Left + (P)(Pink) **Preamp from HU
(36) Front Left - (L)(Blue) **Preamp from HU

in other words, there is a balanced (+ and-) coming from the headunit / nav unit that exits at the connector to the amplifier at the above pins, right?

then, if i want to use the stock wiring to connect the outputs from my new amp to the factory speaker harness, i use these:?

(1) Front Left Mid/Tweeter + (L)(Blue)
(2) Front Left Mid/Tweeter - (W)(White)

(3) Front Right Mid/Tweeter - (LG)(Light Green)
(4) Front Right Mid/Tweeter + (V)(Violet)

(5) Front Right Woofer + (G)(Green)
(6) Front Right Woofer - (R)(Red)

(9) Front Left Woofer - (W)(White)
(14) Front Left Woofer + (B)(Black)

(18) Rear Left Mid + (L)(Blue)
(19) Rear Left Mid - (P)(Pink)

(29) Center + (L)(Blue)
(30) Center - (O)(Orange)

(31) Rear Right Mid + (LG)(Light Green)
(32) Rear Right Mid - (Y)(Yellow)

is that correct?

thanks much! i am setting up a rather high powered and advanced system using the factory locations (other than the sub, as i will be using 2 12" subs in a small box) and a JBl MS-8 processor. i do not want to cut any wires and want to keep the install as stealth and reversible as possible ...

p.s.
which is the remote turn on lead? this

(10) Power/Key (Y)(Yellow)

or this

(20) Power/Amp On (W)(White)
thanks again!!! pics and log to come!!