Dash swap help asap

hende · Jan 24, 2013

In the middle of Putting a 89 dash into my 85 bronco II and Im stuck on the wiring big time.
http://www.therangerstation.com/forums/showthread.php?t=136588

That is my orginal thred but hoping more will see it in here. Since I need to figure this out asap.
But mainly I need to know the 89 dash came with the wire harness cut at firewall. Now do I splice it in there on my 85? Or do i take the wiring out of the 89 dash and put my hole 85 dash wiring harness in 89 dash? thanks for any and all help hende.

a31ford · Jan 25, 2013

I hate to say it, but you are beyond what most people on this forum do, therefore, there will be not a lot of replies , BUT, lets see if I can help.

I will need the EXACT information:

the 89 is it also a B2 ?

what was (or is) the size of the 85 ? (this is the truck, right ??)

What was the size of the engine in the 89 ? (this is the donor, right ??)

are BOTH MAP or MAF type air sensors, or are they mixed ?

Do you know the 8th digit of the VIN code for each truck ????

(the 8th denotes engine type, and air sensor)

Do you have the EEC box (Computer) for the engine that is in this body ?? (assuming the 85).

Greg

hende · Jan 25, 2013

a31ford said:
I hate to say it, but you are beyond what most people on this forum do, therefore, there will be not a lot of replies , BUT, lets see if I can help.

I will need the EXACT information:

the 89 is it also a B2 ?

what was (or is) the size of the 85 ? (this is the truck, right ??)

What was the size of the engine in the 89 ? (this is the donor, right ??)

are BOTH MAP or MAF type air sensors, or are they mixed ?

Do you know the 8th digit of the VIN code for each truck ????

(the 8th denotes engine type, and air sensor)

Do you have the EEC box (Computer) for the engine that is in this body ?? (assuming the 85).

Greg

dash is out of a 89 b2 and going into a 85 b2 89 had a 2.9 85 has a 2.8. I will get the 8th degit on the vins in about 30 min when i get home let me know if i missed anything you need to know other than the vin and ill get that info in a bit when i get home thanks

hende · Jan 25, 2013

Oh and for the computer in the 85 yes it is still there the 85 is running and driving right now

kunar · Jan 25, 2013

get on ebay and get an EVTM for both vehicles. sit down in front of the computer or even just with a pen and paper. make a chart comparing wire colors, connector numbers & locations, ground locations and anything else youre having trouble with. i put a 4.0 in my 1st gen and kept my original dash using this type of wiring method. i hate wiring but this is the way to do it.

hende · Jan 25, 2013

Evtm? ever mind found it

a31ford · Jan 25, 2013

Panama Expat had posted in your original post the link to the site with a password and everything for the EVTM stuff).

Greg

kunar · Jan 25, 2013

hende said:
Evtm? ever mind found it

Electrical and Vacuum Troubleshooting Manual.

i think adsm offered to sell you one of the ones you needed...

a31ford said:
Panama Expat had posted in your original post the link to the site with a password and everything for the EVTM stuff).

Greg

or do this if you can get it for free. print it out so you can lay stuff out at the table. youll spend a lot of time flipping back and forth between one and the other.

a31ford · Jan 25, 2013

Kunar has the right Idea

hende · Jan 25, 2013

kunar said:
Electrical and Vacuum Troubleshooting Manual.

i think adsm offered to sell you one of the ones you needed...

or do this if you can get it for free. print it out so you can lay stuff out at the table. youll spend a lot of time flipping back and forth between one and the other.

So I like the way you are pointing me. going this route where would you put the two harness together at? the firewall? or what im hoping and just put the end connecters for the 89 dash on to the 85 dash harness? Sorry for so many ???
also on the free web page link for the evtm all i can find is the basic wiring diagram that my haynes has. am i looking in the wrong place?

a31ford · Jan 26, 2013

Word of warning.... if doing the wires from the 85's harness into the 89's dash connector, once you open them up, ALL the pins come out at once !

Label EACH wire with a number or letter (even masking tape 6-10 inches from the pin) black felt marker, heck even do the old wires from the 89's plug, that way you will still have the color code from the 89, if needed later in this process.

Greg

kunar · Jan 26, 2013

hende said:
where would you put the two harness together at? the firewall?

wherever you want, wherever it makes sense. hopefully that question will answer its self when you get to that point. there's nothing saying youll be able to make all of your splices in one place, you might have a few here, a few there... whatever it takes.

a31 is right about the tape & marker tags. label stuff to coincide with the info you get from your evtm. i think they will have wire numbers, i know for sure they will have connector numbers as well. if the online stuff isnt cutting it, invest in the ford literature. its the stuff the company prints for the dealers, its worth it. i think you can usually get an evtm for about $15

hende · Jan 26, 2013

yes I have found the evtm for about $15 each so $30 bucks. But do the very detailed one the wiring compared to the haynes manual? Just want to make sure want to make sure I do this right :yahoo:

and peferbly the first time lol

hende · Jan 26, 2013

If I havent already said it sorry for all the ???? but this is my first big woring task and wanna make sure I find out anything I can befor I start in on it wanna make sure I can takle it myself. Rather than make i bigger more exspnsive mess for somone else to fix

a31ford · Jan 28, 2013

There's nothing wrong with asking questions.

then again, if you don't , how are you gona find out.....

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