Need Pinout for firewall connector to fusebox(pic)

mattw

Active member
Can anyone get me a pinout of this connector:

Firewall%20connector%20to%20fusebox.jpg



Its the one that plugs in below our brake booster and I believe it goes to the back of the fusebox. I'm pretty sure that it contains wires for: lights, abs, power for engine wiring harness, etc but I need a pinout that shows exactly what each pin is for.


Thanks,
-Matt
 

dgoodhue

BuSTeD 4.3
Re: Need Pinout for firewall connector to fusebox(pic)

Its in the SyTy CD-ROM, I remember debugging some connection in my 93 Ty I had.
 

mattw

Active member
Re: Need Pinout for firewall connector to fusebox(pic)

dgoodhue said:
Its in the SyTy CD-ROM, I remember debugging some connection in my 93 Ty I had.


I could have sworn that I looked there.. I'll look again.


Thanks,
-Matt
 

Flyin Ryan

hated cuz he drives fords
Re: Need Pinout for firewall connector to fusebox(pic)

Matt,

If you do happen to find it.. could you post it up?
 

mattw

Active member
Re: Need Pinout for firewall connector to fusebox(pic)

Yep, I found it.. Its part of a 2mb PDF.. Mine was labeled Wiring Diagram_749.pdf. Its 26 pages long and is the most detailed 749 wiring diagram I have seen.


-Matt
 

mattw

Active member
Re: Need Pinout for firewall connector to fusebox(pic)

Well, I made this based off of the PDF and what I could trace out using the molested harness that I have.

C100.jpg


If anyone knows what K 4-6 do please let me know. Page 44 of the PDF says that they are for rear lamps and the fuel pump but I'm not so sure that I believe that. They have been cut off on the harness that I have so I was not able to trace them.

Also, if anyone knows where I can find this pinout for a 93 4 door 4x4 chevy blazer please let me know. If I were to guess I would say that most of the pins are the same but I need to know for sure.

EDIT: I figured out what K 4-6 do and updated the diagram.

Thanks,
-Matt
 
Last edited:

dogboy

uk typhoon
Re: Need Pinout for firewall connector to fusebox(pic)

hi any idear what caused this?
ive been getting a burnt wiring smell on start up for a few days now but then goes away but
last night it hung around and at one point the head lights flickered for about 30 secs
untill i switched em off then back on is this what happened to your's?
 

mattw

Active member
Re: Need Pinout for firewall connector to fusebox(pic)

dogboy said:
hi any idear what caused this?
ive been getting a burnt wiring smell on start up for a few days now but then goes away but
last night it hung around and at one point the head lights flickered for about 30 secs
untill i switched em off then back on is this what happened to your's?


I'm building a clone thats why I was after this info.. Gonna be plugging a sy/ty harness into this connector on a 93 Blazer so I needed to verify that the pinout was the same.

As far as your problem goes I would bet its the headlight switch. I bet it stops working altogether soon.


Good luck,
-Matt
 

dogboy

uk typhoon
Re: Need Pinout for firewall connector to fusebox(pic)

Thanks for the info',so thats not burnt out then?
you don't have a spare switch do you?
 

sparkwire

Donating Member
Re: Need Pinout for firewall connector to fusebox(pic)

I think the pinouts are different on the s10, I had a ls1 harness,made by Jarred, for my ty and he had a hard time with it, said they were different??
 

mattw

Active member
Re: Need Pinout for firewall connector to fusebox(pic)

sparkwire said:
I think the pinouts are different on the s10, I had a ls1 harness,made by Jarred, for my ty and he had a hard time with it, said they were different??


Who is Jarred? Maybe he could provide me with the pinout for the s10 harness..??


Thanks,
-Matt
 
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