Fitting a Standalone ECU

nickb777

I forgot the add 1 bar bit, I have a 72mm pulley to fit @24 psi 1.654 bar + 1 =2.654 3 bar sensor then is required

rik1083

my loom is going really nicely, I've even found a place that sells the X2 and X3 connectors so it can be truly plug and play. Do you think people would buy these if I advertised them on ebay or something? maybe the throttle adapter plate too
Or is it too niche?

nickb777

Great to hear and I think so, I think you should sell completed looms for the vx. Some people don't have time to do their own. Think there are enough guys now with S/C's who would be willing to pay.

exmantaa

rik1083 said:
my loom is going really nicely, I've even found a place that sells the X2 and X3 connectors so it can be truly plug and play. Do you think people would buy these if I advertised them on ebay or something? maybe the throttle adapter plate too
Or is it too niche?

Interested in the connectors for my LSJ swap project. :thumbup:

alanoo

Did someone list the part numbers of all necessary connectors ?

I'm considering redoing a whole new and clean loom when I'll move to the Motec

rik1083

I'll tell you after I get them so noone takes the last ones they have in stock 😛

alanoo

I don't care about the X2/X3 connectors, I don't have them anymore :p

rik1083

alanoo said:
Did someone list the part numbers of all necessary connectors ?

I'm considering redoing a whole new and clean loom when I'll move to the Motec

I guess it depends which map sensor, crank sensor and injectors you use 🙂 there really isn't many extra ones

rik1083

Re: Fitting the megasquirt ecu

rik1083 said:

is this an oil pressure or oil temperature sensor?

hmm ok, just found that this is the "VALVE,OIL COOLER"
sounds quite important :o
does it default to open or closed? vocky, what have webcon done with it?

alanoo

Nop it is the oil pressure sensor for the light on the dash

rik1083

ah cool.
Maybe I can include it in the loom then since the dta has an oil pressure input

alanoo

Yep but this one is just an alarm on/off style, not really a pressure gauge stuff

nickb777

wonder if you can connect standard pressure switch to it?

alanoo

You can, if you choose the good one,

VDO has some sensors that would work with a second channel that goes ground below a certain pressure, would be perfect

rik1083

my loom

nick's loom measured out

the oddball connectors:

X1 and X2, no part numbers printed on em

TMAP

coil pack

water temperature (I think this is a fairly common connector)

rik1083

the two new connectors are for wideband lambda and fuel pump relays. Both megasquirt and dta trigger the fuel pump by giving 0v out.. but vauxhall want 12v out so have to put a relay inbetween to switch a 12v line when recieving 0v. Also need another relay for additional fuel pump now 🙂

Nick, do you know how your additional fuel pump is wired in? Also which wideband sensor are you getting?

alanoo

Well actually the PA66 stuff is not the connector part number, but just its material

But it is a good start, especially with the pics to look after those

rik1083

these connector companies are crazy not putting the part numbers on

rik1083

I also used the pedal position sensor since I didn't have a throttle position sensor dunno..

vocky

rik1083 said:
do you know how your additional fuel pump is wired in?

normally the +12v is taken from the starter motor (big red cable), then via a fuse to the new relay

if you have a switched 0v then simply run that to one side of the relay coil, run the new +12v supply to the other side of the coil and to one switched contact, then the other contact goes to the new fuel pump :thumbup:

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