3sge Red Top Swap Question Options

[Jaytwou2]

Hey guys im new to 6gc and i have a few questions...

I have been searching for 2-3 weeks on info on the 3sge Beams Red Top Swap into my ST204 5 speed GT
and from what i understand everything just drops right in place of the 5sfe (correct me if im wrong). My main concern is wiring! Is the
swap plug n play? Or will i need to purchase an engine w/ harnes and ecu?

Reason for the swap: I just picked up my st204 for 650$ With 126k Miles minimal rust and a 8/10 body and completly stock but it has
a snapped timing belt

Reason for choosing 3sge: I want an engine swap that has the power when i need it and the mpg of a N/A engine.

[ST204BEAMS]

Hey 6gc, ive messaged a couple of you and no response, i know this is an old post but im in the process of doing my BEAMS swap and need some help from you vets

New member here and after extensive reading on the forums for the past couple months I still have a few issues with my 3sge Beams Red Top swap.

So, some background on the status here, have a 96 Celica GT st204 which had a 5sfe, bone stock. Back over summer bought a 98 3sge Beams Redtop approx 50k miles. We did all the major maintenance, timing belt, water pump, spark plugs, belts, fluids etc. The motor is currently installed in the car. However the car does not start, as in the starter wont even turn. Dash lights up and everything but starter wont turn. My guess is its the clutch start wire.

The issue now is that we tried to follow the wiring directions posted on this website, BUT the issue lies with the 3 vertical plugs that are mentioned. The clutch start wire is supposed to be a black with yellow stripe coming from the one of these plugs right? In the pictures shown, there must be at least 15 or so wires coming from the white plug. But on my engine harness that same plug only has 4 or 5 wires coming from it and has no black with yellow striped wire. Matter of fact, there is NO black with yellow striped wire on this harness. Thats my first issue.

Now since that was the case, there was still a solid black wire coming from the pin 18 location on the white plug as shown in the picture, so we moved that wire to the pin 17 location on the dark grey plug as described in the directions. (obviously that did not fix the issue) Not even sure if that is the issue.

This was the only part that did not match the directions, all the wiring directions were spot on, and we took care of those, its just the clutch start wire and plug that was different.

Could you help walk me through this? Your help would be very much appreciated!

Thanks