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DIY: Rear Speakers- 2nd Gen Reg Cab

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Old 01-11-2008, 09:07 AM   #1
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DIY: Rear Speakers- 2nd Gen Reg Cab

This is one way for those of us that wish to have rear speakers in a regular / Std. cab Taco. And with no drilling, cutting into any part (except 1 factory ground wire connector swapped out). Furthermore, connections rear speakers for those with the factory CD/Radio.

Disclaimer of course! Do not attempt any electrical work if you aren’t confident in your abilities. Any work you perform is at your own risk. BUT with that being said, I believe you will see that there isn’t much to this. The most time consuming part is the construction of the rear speaker boxes.

Radio Removal:

007Tacoma has a very good thread under “Mods and Tutorials” call Stereo Upgrade Basics… which can be also found at this link:

http://www.tacomaworld.com/forum/audio-video/571-stereo-upgrade-basic-how-2nd-gen.html

There 007 describes how to remove the factory radio. This is needed in order to wire the speaker wire for the rear speakers. Takes about 10 minutes to remove, 5 if you aren’t over the hill like I am!

Wiring:

The smaller square connector that came from the back of the radio is for the rear speakers to connect (see picture below). Unfortunately for me I was unable to locate locally the inserts for me to feed the speaker wire into this connector.



From the factory there was a single dark brown wire (ground I believe from my research) on this connector. I had to modify how to connect that brown wire and the rear speaker wires to the tabs from behind the radio.

Below you will see where the connection are for the factory brown wire and for the rear speakers:




I couldn’t locate connectors small enough so I used 18-22 ga. quick disconnects and modified them to size as seen below:

(edit: Tim Gainous posted below that Toyota Part#82998-12340 Female Connectors worked just fine for his install - Thanks Tim for your input)

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Old 01-11-2008, 09:13 AM   #2
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These fit firmly and secure to the rear of the stereo without fear of shorting out on other tabs. Electrical tap was used solely to apply pressure between the connections:



Below is a picture of that Brown wire with the modified connector:



I then ran the speaker wires through the inside of the dash, down behind the kick panels, under the door thresholds and up behind the rear quarter panels to the back bulkhead on each side. No pictures I felt was needed of this and you could just run the wires under the carpet if you so desired.

Rear Speakers:

Finding and deciding on a location for the rear speakers was hard for me. Ideally I wanted to locate them in the rear quarter panels facing inward for best appearance and sound. But that would have meant not only cutting into the plastic quarter panel cover – but a lot of metal behind that panel. Not to mention dealing with the seat belt running behind that panel.

So I finally decided on a boxed speaker setup. And since I couldn’t find anything that would work locally I made them myself. I didn’t want the speaker to be in the way or damaged when we put bags or such behind the seat (surprisingly a lot of space behind the seats for a regular cab, more than twice than I had in my Ranger). And I didn’t want to drill into the bulkhead in case I wanted to change the setup later. So here is my setup and how I did it:



To build the boxes I used 1/4” craft plywood (12x24) from a local craft store. The 6 ½” speakers I chose were going to need a 7 ¼” square face which required me to make a step on the lower back of the box for the bulkhead railing. To hopefully help in sound, on the inboard side wall of each box I bored two large holes so hopefully sound will pass through the felt towards the other side of the cab rather than all forward. After building the boxes I sprayed them with adhesive and covered them in felt.

End result. Sounds great and big improvement over factory setup!
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Old 01-11-2008, 09:19 AM   #3
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The Build/Install:

First I took measurements for my particular speakers and marked the plywood to cut the pieces out.



I initially went with the back of the box and sides. The top, bottom and face will be cut out after I put the back and sides together to ensure what size they need to be. Not a square box, so I took the measurements from here as I went.

A back with two sides cut out:




The notch above on the sides is for the bulkhead railing, that notch also permits the speaker wire to run inside of the box staying concealed inside the bulkhead railing. You can also notice that the sided do not go all the way to the top of the back board. That is because I left ½” for a lip to sit behind the top plastic cap that snaps on the top rail (just below the back window) to also help secure the box to the balkhead.

Two ¼ x 1 1/8 ply strips to secure each box to. This was a test fit. The inboard strip slides up and behind the top and bottom rail while the inboard (right in this picture) strip only remains behind the lower rail.

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Old 01-11-2008, 09:23 AM   #4
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I taped each strip into place and place the back of the speaker box on top. There I marked and drill a small pilot hole through the back board of the box and made a mark in the strips behind it for reference.



I then took the strips and drill them at the mark made from above and inserted a T-nut. The black foam sealer tape (like that used to seal camper shells) is used to apply pressure from the bulkhead while attempting to screw the box to it.



I then assemble the box leaving the speaker out till after mounting. Lining up the holes through the back of the speaker box to bolt into the t-nuts was a little awkward. But the end result is a sturdy connection and well worth it.

This is just one of an endless number of ways to install a speaker behind the seat in a regular cab. If questions arise and more clarity is needed I will be more than happy to edit or reply.
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Old 02-12-2008, 06:16 PM   #6
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Hey Phantom, glad to hear it all went well and congrats!

If you have the time post pics of your speakers/enclosures or part numbers in case others may want to go that way.

Hows it sound? It's made the difference of night and day in my Regular Cab.
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Old 02-19-2008, 07:03 AM   #7
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Hey Phantom looks great guy. Glad it all worked out.

I noticed you still have what I believe to be the worthless center seat belt restraints. Do/have you ever been able to use yours for anything? I found that taking mine out helped free up some floor space behind the seats for those bags of groceries, etc. (See PIC above) Everything simply unbolted with ease. I replaced the bolts back into the threaded locations in case for future use and simply placed all of the plastic covers, seat belt harness away in my Taco Parts storage box in case the need should arise (I doubt it), or for some ungodly reason I might have to sell her
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Old 02-22-2008, 03:48 PM   #8
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rear speakers in std cab

hey at the expense of sounding dense where do you hook up the brown wire to? and also if the factory harness is there why cant you just hook to the other end of it? i must be missing something here
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Old 02-22-2008, 08:59 PM   #9
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Quote:
Originally Posted by TIM GAINOUS View Post
hey at the expense of sounding dense where do you hook up the brown wire to? and also if the factory harness is there why cant you just hook to the other end of it? i must be missing something here
Start at the beginning of the thread and you will see the second photo lists where the brown wire attaches to.

It also explains that I couldn't locate the pins to wire the speakers to the factory connector so I came up with a solution for me - Read the first post of the thread it goes into detail.

Hope this helps
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Old 02-26-2008, 03:12 PM   #10
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Duh

Gotcha Thanks!!
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Old 02-27-2008, 05:51 AM   #11
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factory harness

i can get the molex connectors im just wondering where the factory rear harness is hidden? thanks for your help
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Old 03-07-2008, 07:57 AM   #12
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Smile Molex Connectors

There Isnt Really A Part Number For The Ones Im Using I Got Mine From A Large Universal Fuel Injector Harness Repair Kit However I Think Gm Used These In Theweatherpack Connectors" In The 90's If You Could Find A Real Parts Store Theyd Have Em Or Pep Boys Might Have Em Their "help" Line Thanks Again For The Info Phantom And Gsm
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Old 04-08-2008, 12:50 PM   #13
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Wink Finally

I Couldnt Make The Fi Connectors Work Right So I Got More Info Off Of A Lexus Forum .the Way I Finally Hooked It Up Was With 4 Toyota Part#82998-12340 Female Connectors .they Click In The Harness Perfectly .splice Em To The Speaker Wires Youre Done. Night And Day Difference I Used Blaunpunkt 6x9's In Q Logic Boxes Sounds Great Ps I My Pos Computer Wont Send The Pictures I Took
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Old 04-09-2008, 09:09 AM   #14
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Thumbs up Pics

Thanks Man For Doin The Pictures My Computer Has Windows 98 On It I Think Thats The Problem. I Didnt Mention The Cost Thought I Might. Speakers 30.00 Boxes 30.00 Toyota Repair Harness 4.37 Each
2 Rolls Speaker Wire 3.00 Ea Totalabout 85.00 Well Worth It.next Ill Be Installing The Gtc 542's I Ordered At The Same Time. Iwanted To Hear The Diff With Just The Rears Anyhow Thanks Again
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Old 04-09-2008, 06:57 PM   #15
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Magic Pins!!

Great looking job! The larger speakers/boxes look good back there and I bet it sounds 100% better as well.

I'm sure others will be needing your Magic Pins part numbers so I'll reference them up top.
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Old 10-04-2008, 09:33 AM   #16
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I'm in the process of ripping my interior out to deaden the cab but I don't know how to get that little buckle undone on the center seat belt in the regular cab. I want to take out that center seatbelt. Please help me thanks guys
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Old 10-04-2008, 10:29 AM   #17
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Received you PM, check your messages.

Will be a few days till I get back home, I'll post what I find as I don't remember how I accomplished this myself. Center worthless seat belt was the first to go nearly a year ago.
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Old 12-21-2008, 11:00 AM   #18
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does anybody know the size speakers for just the front speakers??
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Old 04-02-2009, 09:50 AM   #19
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Quote:
Originally Posted by gsm View Post
Great looking job! The larger speakers/boxes look good back there and I bet it sounds 100% better as well.

I'm sure others will be needing your Magic Pins part numbers so I'll reference them up top.
You did a great job with your rear speakers. When I use the fader control on the factory radio does that mean it is simply going from the speakers in the bottom of the door to the little ones on the top? I never really took the time to look but I assumed it came with four speakers even though they are close together. What a good idea you had.
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Old 04-02-2009, 09:57 AM   #20
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You have reg cab? If so you have no rears
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