# wiring issues no tail lights, brake lights or cluster!!! **URL:** \ **Category:** SON240sx Automotive\ **Created:** [July 14, 2010, 1:12pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849 "2010-07-14T13:12:17Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\ **Post date:** [July 14, 2010, 1:12pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/1 "2010-07-14T13:12:17Z")
hey fellas so i have a 1991 hatch that has no working brake lights, tail lights, or cluster lights heres a list of what i`ve done. checked: all fuses and relays in both boxes under hood changed all relays and fuses in kick panel even the 3 behind fuse panel and 2 behind that white box above fuse panel checked wires from tail lights all the way to fuse panel. changed cluster i`ve also changed every electrical box i could find behind kick panel changed headlight switch my headlights still work and i currently have the tail lights wired to a toggle switch in the main power wire at the tail lights before it seperates to the different lights. where my rear hatch grabber lock thing is there is no relay but there is in my friends 93 hatch i cant find any missing wires that would lead to it tho and my hatch wiper/defrost is unpluged as when i started chasing wires i realized a green wire had burnt up to bare wire and the defrost light stayed on so i unplugged that and have left it at that for now ANY HELP? thanks in advance JL ---
**Author:** ![Stiky](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/stiky/32/5692_2.png) [@Stiky](https://forums.speedlife.net/u/Stiky)\ **Post date:** [July 14, 2010, 6:27pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/2 "2010-07-14T18:27:03Z")
TCU by any chance? ---
**Author:** ![Mr\_Phonso](https://avatars.discourse-cdn.com/v4/letter/m/a87d85/32.png) [@Mr\_Phonso](https://forums.speedlife.net/u/Mr_Phonso)\ **Post date:** [July 14, 2010, 6:46pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/3 "2010-07-14T18:46:55Z")
did u check ur bulbs? ---
**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\ **Post date:** [July 15, 2010, 11:16am UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/4 "2010-07-15T11:16:43Z")
bulbs are all good non were burnt out but i still changed them all. would the tcu have to do with any of those issues tho? ---
**Author:** ![spd-dmn](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/spd-dmn/32/5513_2.png) [@spd-dmn](https://forums.speedlife.net/u/spd-dmn)\ **Post date:** [July 15, 2010, 1:27pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/5 "2010-07-15T13:27:01Z")
so youre SURE the tail light and/or brake light fuses are ok? check for broken wires at the hatch grommet (its at top of the hatch, passenger side) ---
**Author:** ![Stiky](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/stiky/32/5692_2.png) [@Stiky](https://forums.speedlife.net/u/Stiky)\ **Post date:** [July 15, 2010, 2:10pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/6 "2010-07-15T14:10:54Z")
Yes when my TCU blew… I had no dash lights, no radio, no tails, none of that. Just headlights. ---
**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\ **Post date:** [July 15, 2010, 2:40pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/7 "2010-07-15T14:40:32Z")
i still have radio its a factory am/fm/tape/cd cd player doesn`t work and the light on the radio sometimes work but usually not all the fuses are good to go i even replaced them incase im blind i also replaced all the relays i could find. the wires on the passenger side of the hatch are burnt from the plugs behind interior 1/4 all the way to the wiper/3rd brake light i just unpluged those three plugs before i replaced everything and i took the rear defrost switch out because it was staying on then replaced the fuses and relays and still nothing but i cant find any more burnt wires ---------- Post added at 04:40 PM ---------- Previous post was at 04:39 PM ---------- > [@Stiky](#): > > Yes when my TCU blew… I had no dash lights, no radio, no tails, none of that. Just headlights. i`ll try that next where is it located? ---
**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\ **Post date:** [July 21, 2010, 5:11am UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/8 "2010-07-21T05:11:45Z")
anything? ---
**Author:** ![d240](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/d240/32/5779_2.png) [@d240](https://forums.speedlife.net/u/d240)\ **Post date:** [July 21, 2010, 5:27am UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/9 "2010-07-21T05:27:56Z")
Have you got a wiring diagram-if you do and you dont know how to read it I might be able to help you out.I am an electrician and I know it can be difficult for people to follow schematics-unfortunately its never easy to troubleshoot automotive electrical at the best of times-If you’ve replaced all your plug in shit-you are pretty much left with wiring-check for a shor from dash to the point where you power up the rears with a toggle-is the tcu sticky is refering to in the left rear pass side behind the plastics for the armrest(for lack of better words)-ive got a whole harness and all components from an 89 I stripped if anything will help you out let me know Darren ---
**Author:** ![Lucas180](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/lucas180/32/5556_2.png) [@Lucas180](https://forums.speedlife.net/u/Lucas180)\ **Post date:** [July 21, 2010, 10:12am UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/10 "2010-07-21T10:12:48Z")
I had this same problem a few weeks ago, as soon as i put my lights on the fuse would blow…after alot of messing around i found it was a wire in the front end near the turn signal shorting out…then it was fixed…ither then that start traceing wires is what i was told. lol ---
**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\ **Post date:** [August 11, 2010, 7:46pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/11 "2010-08-11T19:46:02Z")
tcu replaced still nothing no blown fuses nothing ---
**Author:** ![d1kingz1](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/d1kingz1/32/5607_2.png) [@d1kingz1](https://forums.speedlife.net/u/d1kingz1)\ **Post date:** [August 11, 2010, 11:57pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/12 "2010-08-11T23:57:29Z")
Same thing happened to me, it was the main fuse. ---
**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\ **Post date:** [August 12, 2010, 10:30pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/13 "2010-08-12T22:30:35Z")
located where? ---
**Author:** ![d1kingz1](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/d1kingz1/32/5607_2.png) [@d1kingz1](https://forums.speedlife.net/u/d1kingz1)\ **Post date:** [August 13, 2010, 10:47am UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/14 "2010-08-13T10:47:05Z")
under the hood. it was the fuse with the second highest amperage. this happened when i had my s14 ---
**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\ **Post date:** [August 14, 2010, 7:39pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/15 "2010-08-14T19:39:50Z")
s13\>s14 different i didnt see anything wrong with mine ---
**Author:** ![S13GG](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/s13gg/32/5506_2.png) [@S13GG](https://forums.speedlife.net/u/S13GG)\ **Post date:** [August 15, 2010, 4:43am UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/16 "2010-08-15T04:43:44Z")
![http://www.hoslotcarracing.com/image/Tools/DigitalMultiMeter.jpg](http://www.hoslotcarracing.com/image/Tools/DigitalMultiMeter.jpg) got one of these? are you visually or electrically checking your fuses? ---
**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\ **Post date:** [August 15, 2010, 8:46pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/17 "2010-08-15T20:46:06Z")
i used my voltmeter on the terminals getting 12-12.6volts and replaced the fuses also checked everywhere else i have no power going to back of the car or cluster lights have it at the fuse panel but thats it ---
**Author:** ![gandza](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/gandza/32/5901_2.png) [@gandza](https://forums.speedlife.net/u/gandza)\ **Post date:** [August 16, 2010, 8:26pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/18 "2010-08-16T20:26:56Z")
broken wires? ---
**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\ **Post date:** [September 6, 2010, 10:04am UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/19 "2010-09-06T10:04:36Z")
ok so i took the car to napa they did a diagnostic check just said i needed a o2 sensor so replaced that replaced tcu replaced ecu the only broken wires i found were where the wires come threw the hatch and into the interior on passenger side one green wire was burnt to so i just disconnected them and left it at that my rear defrost button light would not turn off so i dissconnected it still nothing im stuck on using a toggle switch wired right to the rear lights…i hate wiring… ---
**Author:** ![Darth\_Motorhead](https://avatars.discourse-cdn.com/v4/letter/d/ecccb3/32.png) [@Darth\_Motorhead](https://forums.speedlife.net/u/Darth_Motorhead)\ **Post date:** [September 6, 2010, 3:41pm UTC](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849/20 "2010-09-06T15:41:02Z")
how are all your fluid levels?? [Next page](https://forums.speedlife.net/t/wiring-issues-no-tail-lights-brake-lights-or-cluster/157849.md?page=2)