Megasquirt harness please help
Thread Starter
Junior Member
Joined: Aug 2002
Posts: 38
Likes: 0
From: southern California
harness please help
I’ve got some fine connectors from a s4 box my plan is to wire my db37 connector to this harness so I can plug it directly into my 87 TII harness. I have a NA engine for now I was wondering two things could someone post some stock wiring diagrams so I could figure this out as mine is in PDF form and is useless.
I have the single female connector (from the stock box) with the three male connectors (from a busted harness) with a few inches of wire on them my plan is to build a straight through connector and splice into or in many cases like my injector wires replace my stock wires with ones coming from my Mega harness at first I just want it to run Fuel so I need to tap my o2 sensor input some various other inputs water air etc ignition and output to the fuel injectors I will try ignition after I think I can get fuel pretty decently.
When I have that down my turbo engine will go back in.
I saw a post online before that had this information already if someone could point me to that I could use that information I just cannot find it again.(It was on these forums someone posted the same question were did it go) Remember I’m just interest in fuel for now and leaving my stock box to the task of spark.
I have the single female connector (from the stock box) with the three male connectors (from a busted harness) with a few inches of wire on them my plan is to build a straight through connector and splice into or in many cases like my injector wires replace my stock wires with ones coming from my Mega harness at first I just want it to run Fuel so I need to tap my o2 sensor input some various other inputs water air etc ignition and output to the fuel injectors I will try ignition after I think I can get fuel pretty decently.
When I have that down my turbo engine will go back in.
I saw a post online before that had this information already if someone could point me to that I could use that information I just cannot find it again.(It was on these forums someone posted the same question were did it go) Remember I’m just interest in fuel for now and leaving my stock box to the task of spark.
Thread Starter
Junior Member
Joined: Aug 2002
Posts: 38
Likes: 0
From: southern California
alright looks like i'm doing this alone i saw this posted a while ago but since people are building these harness for money i'm guessing help wont exist anymore. I was looking to just run my megasquirt as a fuel computer only and looked like i needed to tap the following on the harnes 3f-34 3c-33 3h-35 3e-32
h-21 2L-20 V-24 2D-23 3J-37 3G-19
just a basic setup now if you see any corrections please let me know or if you have a clear diagram for an fc let me know also I want to get this thing going.
thx joe
h-21 2L-20 V-24 2D-23 3J-37 3G-19
just a basic setup now if you see any corrections please let me know or if you have a clear diagram for an fc let me know also I want to get this thing going.
thx joe
MegaSquirt Mod
Joined: Sep 2004
Posts: 4,721
Likes: 1
From: Maryland
I didn't answer because you bumped. Please don't bump again in this section. I'm pretty sure most of the other section mods don't like it either.
It's also not hard to figure out if you have an FSM, which is probably why nobody responded.
I'll look at what you've got when I get a chance and let you know if it'll work or not.
It's also not hard to figure out if you have an FSM, which is probably why nobody responded.
I'll look at what you've got when I get a chance and let you know if it'll work or not.
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Sep 16, 2015 01:25 PM