Thread: HID Relay Harness blowing fuses

Same thing going on with mine..I ordered a relay off ebay and then ordered ddm hid kit, ballasts, bulbs, and relay harness, and still same issue. And the relay from ddm was pretty much the same as the ebay harness..I still dk what it is. What did you ground your relay harness ground to?

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Originally Posted by rhenuset

I tried battery ground and a screw in the water channel thing right beside the battery and made no diference. I have seen some relay kits that use one ground for the whole harness and others that use one ground per side. My harness uses one ground. I also have a complete ddm hid kit, maybe thats the problem ha

Lol yup ive tried both of them too..idk what it is man. Mine is the one ground as well and either one didnt do anything. If I hookel them strait up they blow fuses. Its gotta be a short in the relay im thinking but idk..if I have the day off tomorrow I swear im figuring it out lol. If anyone knows, help is appreciated!

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Ohhh thats not gooood. I hooked up one of my old ballasts n it works just fine thru the stock wiring..n then I hooked it up thru the relay and it wouldnt work. My other original ballasts blew n I wish I knew where it was from cuz they seem really good. So im prettt sure these relays are just not hooked up right or good enough. But I flipped connections backwards n everything. Im gonna try n sand down a really good ground n try to find a solution. I will let you know as well when I can get around to it. Thanks man.

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Sooo you guys wanna diagnose this? Someone get a picture of the connections on the bottom of the relay. There's either numbers or letters. Then a picture of the connector on it.

Theres the relay thing..the. as far as connections idk what you mean..? theyre just the regular hook up connections. Or are yiu saying they could be upside down or backwards like the other china crap?

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Ok..so it's a typical relay.

Take the relay out of the connector and follow 30 to the power supply that should be fused and going to the top of your fusebox.
87 should go to the headlights to supply them with power
85 or 86 gets grounded and the other gets the signal from your headlights to turn on the relay

Then..before you leave that in the engine bay..make sure you tape it up super well to keep water from getting into it.

Originally Posted by BillBoost37

Ok..so it's a typical relay.

Take the relay out of the connector and follow 30 to the power supply that should be fused and going to the top of your fusebox.
87 should go to the headlights to supply them with power
85 or 86 gets grounded and the other gets the signal from your headlights to turn on the relay

Then..before you leave that in the engine bay..make sure you tape it up super well to keep water from getting into it.

Okay thanks, will do when I get a minute n let you know!

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It can be done either into 30 or 87 as long as it heads out of the other. Doesn't actually make a difference. However if you found something with instructions..it'll tell you to put the supply to 30 and the output to 87. See that little straight piece off 30 that would hit 87 if it pivoted? That's the part of the relay that makes connection when the relay is actuated via power and ground (one to 85 and the other to 86)

Ok.. so if that stuff is right and you are still blowing the fuse. Let's look at the rest. Your supply is hooked to the top of the relay center?
What size is the fuse in your holder in that supply wire?
And..you are positive you hooked the output from the relay to the positive input of the ballast? Because once in a while you have to flip the wires to make the ballasts work properly. (Imagine you didn't pay much and they are from a different country)

okay yes my 87 is to power source and 30 breaks off to each headlight connection. Now when I have all the connections hooked up correctly with the tabs in the right position, the light flickers on then off n thats it..n when I flip one over..thr fuse blows under the hood fuse box

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Originally Posted by GrandPrix06GT

Sorry to post in this thread but I got a similar question. This relay pictured above keeps going out in mine. I replaced it 3 times now. They only last about a month then go out

Originally Posted by marines542

Sorry to post in this thread but I got a similar question. This relay pictured above keeps going out in mine. I replaced it 3 times now. They only last about a month then go out

Haha thats believable

Originally Posted by rhenuset

Marines542 and GrandPrix06GT -- Your relay is a 40 amp mine is a max 80 amp. Maybe need a higher rating for a relay?

Yep and it only has a 30 in it..I hooked up my old ballast and it is now working with the relay..the new ddm ballasts are now the ones that just flicker on then off..im guessing the ballasts are just crap..unless the wouldnt flicker if they were crap??


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Originally Posted by rhenuset

So I got home wired everything up and agin blew the fuses in the box. Im getting very frustrated with this. Am I blowing the fuses cus I'm wiring something backwards? I dont know what else to try

Idk man I emailed ddm letting them know..I put my old ballasts in for now. One is good but idk the brand or else I'd buy another one of that. And the other is a xentec n it puts out a blue color rather than pitch white like my other good one. I'm just gonna wait for ddm to reply.