Tech, Repairs, Upgrades > Engine & Drivetrain Swaps
91 turbo into 94 na
DarkAngel:
Help...
The 94 B6D to 91 B6T engine swap has run into major wiring issues...
When transferring the harness and ecu with the B6T there is a connectivity problem resulting in no spark and no engine start.
Changing the dash instrument loom resulted incompatibility issues.
WashiestSnake:
Are all grounds checked, and was the engine tested before instalation?
Really wish I could help but this isnt my area of expertess and it seems like Chrispoe, AZGTX, and Rocketman are all busy the last week or so.
chrispoe:
There should have been no need to change out the dash wiring harness. The N/A and XR2 dash harness should be the identical.
Now to the fun part…..
Did the donor car run before pulling the engine?
You swapped the ecu and engine wire harness, did you take the XR2’s ignition knock box off the firewall too? Without it, you won’t have any spark.
Does the engine try to crank over when trying to start the car?
When you turn the igniton switch to the on position before trying to start the engine, do you see the check engine light?
If you do see the check engine light, have you tried checking for any codes?
DarkAngel:
Hi Chispoe,
Thanks for responding... yes the donor car drove onto the hoist prior to the B6T engine coming out.
The donor car 91 clubsprint turbo engine harness apparently is different to the non turbo 94 engine harness... I believe there is no coolant sensor connection into the turbo ECU from the engine harness.
edit: its the SA 91 B6T ECU to SE 94 dash harness that is the issue as the wires are different colors... see next post
Checking the knock sensor stuff with the mechanic
Apparently there is no spark
btw does anyone have a pinout diagram for the Capri B6D ECU... I have one already for the Capri B6T but if you have both that would be awesome
DarkAngel:
OK the mechanic advises the issue is from the 91 B6T ecu to the 94 dash / body harness... the plugs are the same but the wires are different colors.
He's got my car for a while until ths issue gets solved.
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