QUESTION of 2 speakers and 1 sub with 4 ch amp??????

[civicVI]

hi guys
want to get some help pls
just got some new gear and try to install today
new head unit, 4 ch amp and sub
old front speakers and rear 6x9 speakers

planning to connent the 4 ch amp with those front speakers and sub

problem is cant get the amp work with this setting i did try many times :(

if took the amp out just connent with the headunit and 4 speaker will working fine

now just wondering any one have any idea what happen ? or any one can point out how to connent the 4 ch amp with front speaker and sub ?
thanks

[rcfd2civic]

How did you connect the audio inputs?did you use the four channels? Cause if your running rca cables from the unit you should have 4 channels and it will work fine. Depends on how many audio output your unit has, Double check the polarity. Usually 1&2 channels are the ones you use for your front speakers and the 3 channel is for your subs. Specify your specs regarding amp power and speakers. Hope it helps:)

[civicVI]

power cable from battery to amp
remote cable from headunit to amp
ground cable from amp to ground chassis
headunit ->RCA cables ->AMP(Front ch) ->speakers
headunit ->RCA cables ->AMP(Rear ch) ->sub

Am i right ???
this is my frist time try to DIY the sound system i am noob.

[civicVI]

power cable from battery to amp
remote cable from headunit to amp
ground cable from amp to ground chassis
headunit ->RCA cables ->AMP(Front ch) ->speakers
headunit ->RCA cables ->AMP(Rear ch) ->sub

Am i right ???
this is my frist time try to DIY the sound system i am noob.

if i done it right then may be the amp faulty because no power for the amp

[rcfd2civic]

Your right if theres no power that means your amp is faulty, do you have power indicator on your amp? Is it lighting up?did you bought it brand new? Just be careful not to mess up with the positive wire just take off the fuse everytime you do something on the amp!!

[1996_EK_Civic]

could be in safe mode, is your earth on BARE metal? did you sandpaper the paint away?

[civicVI]

bought the headunit and amp from brand new
today i did try again after off
found out the problem was from the power cable
i use the matter to check it only have 5 v or less power comes out (dont know why)
then change my friend's power cable to test it with sup its works fine
so tomorrow or weekend will buy the new wire kit try again
thanks for help guys
if still have problem will ask again