Trunk Brake lights, Spoiler Brake Lights not working

Tiny
RIZZYNZ
  • MEMBER
  • 1999 SUBARU LEGACY
  • 2.0L
  • 4 CYL
  • TURBO
  • 4WD
  • MANUAL
  • 178,000 MILES
Hi Team,

I have a Subaru Legacy B4 1999 Sedan (similar to the picture attached). The brake lights on the Trunk do not work along with the Spoiler Brake Light. I have replaced the bulbs with new set and still that does not work. I swapped the trunk lights with the outer body lights just to test if the bulbs could be faulty but on the outer lights it works fine which ruled out the bulbs are ok.
I have checked all the fuses using a multimeter for continuity and they all seem to be fine. The fuses checked were the set in the drivers side below the ignition (approx. Knee height). Also the set in the engine. (Photo attached). All these fuses seem to be ok.

What can I do next before taking this into an auto electrician?

Kind Regards
Rizwan
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Sunday, June 28th, 2015 AT 3:22 AM

5 Replies

Tiny
WRENCHTECH
  • EXPERT
This depends on what your electrical knowledge ad ability is. The first step is going to be to test for power coming into the brake light switch and back out when the brake is applied.
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Sunday, June 28th, 2015 AT 4:26 AM
Tiny
RIZZYNZ
  • MEMBER
Thank you for such a quick response.
This site is amazing

Could you kindly give me all the steps to take in order for me to find the root cause is. So bulbs checked, and fuses checked. As per your suggestion above, now I will check for the power, what's next if the power id ok. I had a look at the other related questions from other clients and they are all similar. Sorry its 1204am here in New Zealand so I will have to do this in the next 8 hours. Lol

Thanks
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Sunday, June 28th, 2015 AT 5:06 AM
Tiny
RIZZYNZ
  • MEMBER
Sorry one last this there no power on the bulbs area nor by the spoiler but no fuses have blown. Visual check done and just to be safe multimeter check done individually on all fuses. ]

cheers
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Sunday, June 28th, 2015 AT 5:09 AM
Tiny
WRENCHTECH
  • EXPERT
Since either you have posted the wrong engine size or that vehicle combination just isn't sold in the US, I can't even supply you with a wiring diagram. I can't tell you how to troubleshoot a wiring circuit either. If you don't have some electrical knowledge and equipment, you are going to have rely on a local repair shop.
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Sunday, June 28th, 2015 AT 5:32 AM
Tiny
RIZZYNZ
  • MEMBER
That's fine mate..
Sincerely thank u for your time.
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Sunday, June 28th, 2015 AT 11:38 AM

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