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I'm having some electrical issues with my 95 Tacoma. Namely…

Customer Question
HI! I'm having...

HI! I'm having some electrical issues with my 95 Tacoma

Mechanic's Assistant: Are you fixing your Tacoma yourself? What have you tried so far?

Namely it's the small ground wire going from the negative post on the battery to the frame. I lost the bolt that secures the wire to the frame. I want to replace it, would you happen to know what bolt I need

Mechanic's Assistant: Have you tested the battery with a voltmeter? And can you see if it's leaking or not?

It has the right voltage and not leaking

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

That's about it. Without that connection theres no power to the inside of the cab

Submitted: 1 month ago.Category: Toyota
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Answered in 14 minutes by:
1/4/2018
Toyota Mechanic: Ted Ritter, Toyota Master Tech replied 1 month ago
Ted Ritter
Ted Ritter, Toyota Master Tech
Category: Toyota
Satisfied Customers: 4,549
Experience: Toyota Master Tech, ASE Certified
Verified

Thanks for posting

The bolt for that smaller ground connection is: 6mm threadX1.25 pitch, the bolt head is 10mm. most hardware stores like ACE, Home depot or Lowes should have it in the hardware department, be sure to also get a flat washer at the same time.

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Customer reply replied 1 month ago
It's kind of odd that that ground has to be there to get any kind of power into the cab. Is that normal?
Customer reply replied 1 month ago
Especially if it's just a ground
Toyota Mechanic: Ted Ritter, Toyota Master Tech replied 1 month ago

T​hat smaller wire is a redundant ground in case the larger wire breaks you will still have power but the engine won't crank, so I'm not so sure that it is the problem> Have you checked the battery connections and the large black ground wire it should connect to the frame but again, I think there may be something else going on.

If the battery is good as you say then there is a disconnect between the battery positive post and the fuse box under the hood or the main 120A fuse is blown possibly. Have you checked this fuse using a voltmeter or test light?

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Customer reply replied 1 month ago
The fuses are okay. The battery has a constant drop of around 13V. When I hold the wire and re-establish the connection from battery to frame the cab lights come on and I have the usual door open chime. I then kind of keep it in position and I can get it to turn over but its not stable enough to stay in place
Customer reply replied 1 month ago
Then when it re-opens everything dies inside. No lights, power locks,chimes, or anything inside.
Toyota Mechanic: Ted Ritter, Toyota Master Tech replied 1 month ago

Thanks for the reply, go ahead and bolt it on where it's supposed to go and see if that fixes it.

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Toyota Mechanic: Ted Ritter, Toyota Master Tech replied 1 month ago

let me know if there's anything else I can help with after that.

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