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Discussion Starter · #1 ·
Are aftermarket radios known for causing electrical problems, specifically related to starting?
 

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No.

Perhaps crappy installs of aftermarket radios if they somehow damaged the wiring?

What vehicle specifically are we talking about?

Many/most new vehicles have infotainment systems that are fully integrated into many of the vehicles systems. If someone decided to swap in an aftermarket radio in such a vehicle without doing their homework it could wreak some havoc on the vehicles basic systems . . .
 

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It'd help to know the specific nature of the 'starting problems' you're hinting (e.g. no 'key-on' start response at all, acting like a low/dead battery, or ...?)

FWIW I agree with @eurban, adding another crappy install issue that can cause 'starting problems' specifically ....

IF the install involves components (especially amplifiers, but sometimes basic HU's too) that are not properly configured to shut-down when the vehicle shuts-down (or shortly after on a time-delay), that can eventually cause 'starting problems' of the low/dead starting battery nature (due to ongoing 'parasitic' battery drain when the vehicle is off).

Improper configurations in this regard may include
  • component connection to wrong vehicle power circuit (un-switched vs switched)
  • improper configuration of 'remote-in' trigger wires
  • failure to properly configure 'remote-in' trigger options within the component if it provides those
  • failure to install external 'remote-in trigger' modules when required by certain components
Not common, and definitely in the crappy instill category, but I've run across it. These issues are independent of specific vehicle, can be screwed-up on any.
 

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Make sure you purchase a radio with a wiring harness pre-made for your specific vehicle. It becomes "plug and play." No problems here.
 

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Discussion Starter · #5 ·
No.

Perhaps crappy installs of aftermarket radios if they somehow damaged the wiring?

What vehicle specifically are we talking about?

Many/most new vehicles have infotainment systems that are fully integrated into many of the vehicles systems. If someone decided to swap in an aftermarket radio in such a vehicle without doing their homework it could wreak some havoc on the vehicles basic systems . . .
A new Pioneer radio professionally installed in a 2019 RL Sport by a Highly rated audio shop. Honda dealer is blaming them but I think BS, but I'm trying to find out if there is any truth to a Honda tech's statement that aftermarket radios "always' cause problems in Hondas.
 

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Discussion Starter · #6 ·
Make sure you purchase a radio with a wiring harness pre-made for your specific vehicle. It becomes "plug and play." No problems here.
Yeah, a pro audio shop did it right, I'm pretty sure...Honda just can't figure out the problem and is blaming them, I think...
 

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Discussion Starter · #7 ·
It'd help to know the specific nature of the 'starting problems' you're hinting (e.g. no 'key-on' start response at all, acting like a low/dead battery, or ...?)

FWIW I agree with @eurban, adding another crappy install issue that can cause 'starting problems' specifically ....

IF the install involves components (especially amplifiers, but sometimes basic HU's too) that are not properly configured to shut-down when the vehicle shuts-down (or shortly after on a time-delay), that can eventually cause 'starting problems' of the low/dead starting battery nature (due to ongoing 'parasitic' battery drain when the vehicle is off).

Improper configurations in this regard may include
  • component connection to wrong vehicle power circuit (un-switched vs switched)
  • improper configuration of 'remote-in' trigger wires
  • failure to properly configure 'remote-in' trigger options within the component if it provides those
  • failure to install external 'remote-in trigger' modules when required by certain components
Not common, and definitely in the crappy instill category, but I've run across it. These issues are independent of specific vehicle, can be screwed-up on any.
Three times in a few weeks my brand new (well now 2K miles)2019 Sport randomly won't start-electrical stuff flashes on but no crank, no start. 10 minutes later it starts like no problem, completely random or so it seems. Honda Dealer I blaming the audio shop that installed the aftermarket radio. A radio upgrade was part of the deal, and the dealer selected the radio and the audio shop but can't figure out the problem. So they are going to reinstall the radio themselves but one of the techs said aftermarket radios "always" cause problems, which seems unlikely to me.
 

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... but one of the techs said aftermarket radios "always" cause problems, which seems unlikely to me.
Plenty of evidence on this and other forums to discount that offhand comment.
 

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I HATED the OEM radio and vowed to replace it from day 1! It took me a couple of months to find one that had the features I wanted at a good cost. Ended up buying a JVC V950BW from Crutchfield. After watching all the installation videos and talking with Crutchfield tech, thought, I can do this. After a few minutes of standing on my head to survey the situation, I called around until I found a local shop that would do the install. I put together the wiring harness and thought it would be a quick install job. Took an experienced (and more flexible young man) nearly 4 hours! Cost me less than $100 - money well spent! No issues noted with the aftermarket install and very happy with the JVC.
 
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