2001 Mazda B4000 taillight problem - Automotive Wiring and Electrical


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2001 Mazda B4000 taillight problem

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Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical

Stanley
Novice

Nov 29, 2011, 5:39 PM

Post #1 of 6 (2023 views)

2001 Mazda B4000 taillight problem	Sign In

The headlight,park and license plate lights all work but not the taillights.No blown fuses and no power at the bulbs.Truck has aftermarket trailer hitch installed by previous owner.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 29, 2011, 5:45 PM

Post #2 of 6 (2005 views)

Re: 2001 Mazda B4000 taillight problem	Sign In

You'll have to look into the wiring back there. The license plate lights are fed by the same circuit as the tail lights so you do have power back there somewhere.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Sidom
Veteran / Moderator
Sidom profile image

Nov 29, 2011, 5:55 PM

Post #3 of 6 (1996 views)

Re: 2001 Mazda B4000 taillight problem	Sign In

I would start with disconnecting any trailer wiring your don't need or at the least inspecting the wiring .

How did you test for power at the sockets?

(This post was edited by Sidom on Nov 29, 2011, 5:55 PM)

Stanley
Novice

Dec 1, 2011, 6:22 AM

Post #4 of 6 (1969 views)

Re: 2001 Mazda B4000 taillight problem	Sign In

I used a test light on the positive side of the socket.I had power for the brakes but none for the tail lights.I will be digging further into the problem this weekend and will post my findings.

Stanley
Novice

Dec 9, 2011, 6:07 AM

Post #5 of 6 (1934 views)

Re: 2001 Mazda B4000 taillight problem	Sign In

I decided to tap into the taillight wiring of the trailer harness and now I have taillights.Thanks

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 9, 2011, 6:30 AM

Post #6 of 6 (1929 views)

Re: 2001 Mazda B4000 taillight problem	Sign In

You just went around your problem instead of fixing it but same result.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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