# Tail light wiring '97 Hyundai Elantra

**URL:** <https://community.cartalk.com/t/tail-light-wiring-97-hyundai-elantra/36343>\
**Category:** Maintenance/Repairs\
**Tags:** hyundai, relay, elantra, lights\
**Created:** [September 9, 2009, 12:49am UTC](https://community.cartalk.com/t/tail-light-wiring-97-hyundai-elantra/36343 "2009-09-09T00:49:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![bernd](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/bernd/32/157_2.png) [@bernd](https://community.cartalk.com/u/bernd)\
**Post date:** [September 9, 2009, 12:49am UTC](https://community.cartalk.com/t/tail-light-wiring-97-hyundai-elantra/36343/1 "2009-09-09T00:49:10Z")

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Need some help with car wiring…  
  
 Recently, my tail lights went out on my  
  
 '97 Elantra wagon. I found what looks like a corroded relay under a rear driver side panel, near the spare tire. There are four wires going to it… two are a constant + and - 12vdc and go to a 30A fuse labeled RR HTD, and the other two wires have continuity to the ground of the tail light lamps.  
  
  
  
 I think I have everything wired back correctly… when the tail light switch is on, I am getting 10 vdc at each light, however not enough voltage to light the lamp apparently. If this is a relay, I don’t hear any clicking when I turn the lights on (there is already a relay in the fuse box under the hood that seems to click and work correctly).  
  
  
  
 So, do I need to replace this box/relay? If all else fails, can I just take 12vdc from one of the side lights? I’d like to do this right. So far, the schematics in the Haynes book haven’t been very helpful.  
  
  
  
 Thanks…

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [September 9, 2009, 1:14am UTC](https://community.cartalk.com/t/tail-light-wiring-97-hyundai-elantra/36343/2 "2009-09-09T01:14:17Z")

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First off. DO NOT BELIEVE THE SCHEMATICS IN A HAYNES/CHILTON’S MANUAL. These are just general schematics and leave out components and complete circuits.

If you want accurate schematics then you need to subscribe to something like this [http://www.alldata.com/home/](http://www.alldata.com/home/) under the DIY catagory. Because if you don’t have the proper information, you’ll never figure out the problem.

And for less than $25.00, you get a years worth more accurate information that can save you hundreds of dollars in aggravation. Unless it states somewhere in the information provided, " Courtesy of Hyundai Motor Vehicle Corporation", it can’t be believed. So you might as well take that Haynes manual in the bathroom with you for a more useful purpose.

Tester