Snoopyslr
Senior Member
- First Name
- John
- Joined
- Jan 1, 2016
- Threads
- 23
- Messages
- 1,916
- Reaction score
- 2,248
- Location
- Fenton, Michigan
- Vehicle(s)
- 2016 Honda Civic EX-T, 2016 Ford F-150, 2003 Subaru Impreza WRX
- Vehicle Showcase
- 1
No car NEEDS them for HID to function properly., but EVERY care SHOULD have them if you install HIDs.I guess i'll spend the extra dough on Morimoto's for this car. I don't wanna install something that's going to destroy my factory wiring. I just didn't understand why DDM has 3 different relay types. I've used DDM for my 2010 Accord Crosstour EX-L and the 8th Civic. The HID's in the 8th lasted 6 years before the car got totaled and the Crosstour is still going strong 3 years later so i've been pretty happy with them. Never used relays but I understand the 10th needs them. Any reason why Honda changed the headlight wiring so we need relays now?
The problem with not using a relay is the HID draws more amps when you turn it on than a standard halogen bulb. The factory wires are gauged to handle the draw from the halogen bulb, so they are much thinner than a wire that can handle the HID draw.
Having HID amperage through a thin wire generates lots of heat. That heat will cause the insulation to fail, causing corrosion or shorts if it melts against the body or another wire.
A relay kit is just a safety precaution to make sure you never catch fire. A relay is just a electronically controlled switch. By installing a relay with HID your connecting your new HID kit directly to the battery and using the OEM wiring to make the connection between the HID and battery.
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