Need help with Morimoto HIDs, please!

[Mark L]

Hello everyone,

 

I'm in desperate need of some help.

 

I've had Morimoto HIDs since October in my 2014 Sierra Denali 1500. (https://www.theretrofitsource.com/morimoto-elite-hid-system-sierra-low-beam.html#.VpHwu8ArJ8Y)

 

Well here's what happened.

 

I installed a K&N intake yesterday and it obviously calls for the negative battery lead to be disconnected. This meant I needed to disconnect the Morimoto harness and it's supplied negative battery cable.

 

Long story short, I finished my K&N install, forgot to put the negative battery cable back on and started the truck. I immediately noticed the headlights weren't coming on, since it was dark outside. I shut the engine down, checked all my headlight connections, and still couldn't figure out why it wasn't working. I then remembered I forgot to connect the negative battery lead. So I reconnected it, started the engine again, and the headlights still wouldn't start.

 

I then spent, literally, the next 3 hours double and triple checking all connections, but the lights would not come back on. I was at my witts end and about to give up, until I turned to Google and found a forum that stated the relay harness was probably bad. It said the ballasts would still work, just hard wired to the OEM headlight wiring harness. I tried this and BOOM, the headlights came on. I concluded it had to be the relay harness that was bad. I thought I had solved the problem,

 

However, when I went to go home, as soon as I started the engine and left, the headlights went out and wouldn't come back on. I live right by my parents and when I got home, I shut the engine and the headlights came on when it was shut.

 

So something is off here, the headlights work upon clicking unlock with the engine off, but as soon as the engine is started, they shut down.

What is the problem?

 

I'm going to contact The Retrofit Source on Monday, but I thought I'd ask here before hand. I have to replace the HIDs with the crap stock halogen bulbs for the time being. At least I have my Morimoto LED fogs to keep me going until then.

 

Any help at all would be appreciated.

 

Did I fry the relay harness? No idea what is going on here.

 

Thanks so much!

[jreyes0a39oz]

how handy are you with a multi meter? i would check ground and power to the relay harness and see if you are getting 12 volts

[Mark L]

how handy are you with a multi meter? i would check ground and power to the relay harness and see if you are getting 12 volts

 

I've used one before, but far from an expert.

 

I have a multimeter with me right now, do I test it in the truck or just on the harness inside the house?

 

Thanks

[jreyes0a39oz]

in the truck with lights on check the wires going to the relay harness if you get 12 volts to it you know everything before the relay is good

[Mark L]

in the truck with lights on check the wires going to the relay harness if you get 12 volts to it you know everything before the relay is good

 

I'll give that a shot tomorrow.

 

Thanks.

 

I know I'm getting 12V from the OEM harness because the OEM bulbs work fine, don't shut off at all.

 

Checked all the fuses and nothing is blown.

[wade_660]

I don't know what model truck you have, but if it's a 2015+ you capacitor may be blown if you have one wired in. The headlights in these trucks pulse, so the capacitor will store energy for a solid 12v. To me that sounds like why they work without the engine running.

 

 

Sent from my iPhone using Tapatalk

[Exhausted]

I was going to say check the relays, fuse and capacitor

The retro source is where I bought my morimoto kit and their customer service is excellent

[Mark L]

I was going to say check the relays, fuse and capacitor

The retro source is where I bought my morimoto kit and their customer service is excellent

 

Checked the capacitor on the relay harness, it's not blown, also checked the fuse on the relay and it's not blown.

 

Running out of ideas. Guess I'll have to throw my OEM crappy halogen bulbs in to drive to work tomorrow.

 

I'm sure I'll hear from TRS tomorrow, I've heard they're usually pretty good with customer service.

 

Thanks

[AhuraPro]

There is a bus fuse you need to check coming off the battery positive.

[Mark L]

There is a bus fuse you need to check coming off the battery positive.

Is it on the Morimoto wiring harness or the OEM battery harness?

Thanks

[wade_660]

It's on the Morimoto harness. I kinda doubt that's the issue since they will come on sometimes

 

 

Sent from my iPhone using Tapatalk