Stutter and stall 99 explorer 5 spd.

[alaskajoe]

ok ive never had an issue with my explorer, as soon as i got an aftermarket stereo, amp and sub installed it started acting this way. it stutters everyonce in awhile and sometimes just stalls out. i think its an electrical problem but cant be sure, are there any componets under the dash or anything that would cause this all of a sudden. worked perfectly yesterday, two mins after leaving best buy parking lot, it started.

 

[alaskajoe]

and speedometer acts funny when, it stutters as well..........

 

[hoss_hanna]

where did they install the sub? and alot of things are tied into the radio that u wouldn't think of... im no pro but if u could provide some more info i can ask a friend of who is a pro audio guy he is the one i send my customers to so what head unit, amp ex?

 

[alaskajoe]

sony head unit and sony amp only 600w, fosgates for subs two 12, installed at best buy, like i said ive had no issues with my vehicle before, right after the install boom this happens

 

[hoss_hanna]

ok ill see what i can find out in the morning, wish me luck!

 

[BradR]

Might wanna get your battery and alternator tested.

 

[hoss_hanna]

ok my audio guy said to see if they used a ford approved wiring kit to install the head unit and see where they pulled power for the amp from. he also mentioned that if best buy was responsible u have a limited time to have them look at what might have happened and get them to fix it before its "your problem"