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Author Topic: 91 turbo into 94 na  (Read 3495 times)

DarkAngel

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  • Cruzing around the Blue Mountains since 2012
    • Black Pearl XR2 SE 1994 Ford Capri
    • Build Thread
91 turbo into 94 na
« on: November 19, 2016, 05:47:19 AM »

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.
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Current Project XR2 SE

To Do
(VJ 11/14), helical LSD, 5th gear cog, 2.5 exhaust
stiffer springs, heated seats, electronic booster
tracker gps, respray

WashiestSnake

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    • 1991 Mercury Capri
Re: 91 turbo into 94 na
« Reply #1 on: November 19, 2016, 07:14:58 AM »

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.
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1991 Mercury Capri 68,xxx Miles--Project(AWD)
1996 Lincoln Continental -- The Boat(Given to my Brother)

chrispoe

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  • Posts: 395
    • 91 BP Capri GT
Re: 91 turbo into 94 na
« Reply #2 on: November 21, 2016, 08:50:22 PM »

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?
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DarkAngel

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    • Black Pearl XR2 SE 1994 Ford Capri
    • Build Thread
Re: 91 turbo into 94 na
« Reply #3 on: November 22, 2016, 12:04:18 AM »

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
« Last Edit: November 22, 2016, 01:47:00 AM by DarkAngel »
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Current Project XR2 SE

To Do
(VJ 11/14), helical LSD, 5th gear cog, 2.5 exhaust
stiffer springs, heated seats, electronic booster
tracker gps, respray

DarkAngel

  • Full Member
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  • Posts: 205
  • Cruzing around the Blue Mountains since 2012
    • Black Pearl XR2 SE 1994 Ford Capri
    • Build Thread
Re: 91 turbo into 94 na
« Reply #4 on: November 22, 2016, 12:13:15 AM »

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.
« Last Edit: November 22, 2016, 12:19:09 AM by DarkAngel »
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Current Project XR2 SE

To Do
(VJ 11/14), helical LSD, 5th gear cog, 2.5 exhaust
stiffer springs, heated seats, electronic booster
tracker gps, respray

Casper

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    • 93 XR2 and 91 Turbo Clubsprint (tribute)
Re: 91 turbo into 94 na
« Reply #5 on: November 22, 2016, 01:21:11 AM »

There are a heap of wiring diagrams for each model year at this address

http://www.capriconvertible.com/FORD-CAPRI-89-94-SA,SC,SE-CONVERTABLE/ELECTRICAL-DIAGRAMS

Hope this is helpful....
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DarkAngel

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Re: 91 turbo into 94 na
« Reply #6 on: November 22, 2016, 01:46:27 AM »

Hi Casper,

That is really helpful, thanks.

Passed on PCM electrical wiring info to mechanic
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Current Project XR2 SE

To Do
(VJ 11/14), helical LSD, 5th gear cog, 2.5 exhaust
stiffer springs, heated seats, electronic booster
tracker gps, respray

Casper

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  • Posts: 67
    • 93 XR2 and 91 Turbo Clubsprint (tribute)
Re: 91 turbo into 94 na
« Reply #7 on: November 23, 2016, 01:42:58 AM »

Always tricky when transplanting engines.....I would like to do the same with my N/A but I would like to go down the electric route at some stage when batteries bet better for DIY conversions.

See the link for a capri converted in Adelaide to electric - interesting stuff....

http://evalbum.com/4073
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DarkAngel

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    • Black Pearl XR2 SE 1994 Ford Capri
    • Build Thread
Re: 91 turbo into 94 na
« Reply #8 on: November 23, 2016, 03:51:16 AM »

Awesome... that'll be the next engine upgrade :)
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Current Project XR2 SE

To Do
(VJ 11/14), helical LSD, 5th gear cog, 2.5 exhaust
stiffer springs, heated seats, electronic booster
tracker gps, respray

Rocketman

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    • 91 BPT AWD Capri & 1991 XR2
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Re: 91 turbo into 94 na
« Reply #9 on: November 23, 2016, 09:48:47 PM »

I did this exact swap on Russ's blue 94. There was something funky that kept me from getting spark.

I remember something about an extra diode in a little module on the harness. I don't recall the actual solution, it's been so long
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1.8L Turbo All Wheel Drive Capri... the "GTXR2"


DarkAngel

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    • Black Pearl XR2 SE 1994 Ford Capri
    • Build Thread
Re: 91 turbo into 94 na
« Reply #10 on: December 04, 2016, 06:27:57 AM »

Any help would be MUCH appreciated... I have to pay guys to problem solve this issue otherwise... real expensive money.
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Current Project XR2 SE

To Do
(VJ 11/14), helical LSD, 5th gear cog, 2.5 exhaust
stiffer springs, heated seats, electronic booster
tracker gps, respray

WashiestSnake

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  • Posts: 570
    • 1991 Mercury Capri
Re: 91 turbo into 94 na
« Reply #11 on: December 05, 2016, 05:34:01 PM »

Just remembered I have a wiring booklet for a 1993 Capri in my car. Ill try and take a pic of the diagram, and upload it tomorrow.
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1991 Mercury Capri 68,xxx Miles--Project(AWD)
1996 Lincoln Continental -- The Boat(Given to my Brother)

WashiestSnake

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    • 1991 Mercury Capri
Re: 91 turbo into 94 na
« Reply #12 on: December 06, 2016, 02:39:22 PM »

My camera wont focus on the book.  Ill try using a different one. The good news this should help greatly because its a full diagram of the engine and dash wiring.
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1991 Mercury Capri 68,xxx Miles--Project(AWD)
1996 Lincoln Continental -- The Boat(Given to my Brother)

DarkAngel

  • Full Member
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  • Posts: 205
  • Cruzing around the Blue Mountains since 2012
    • Black Pearl XR2 SE 1994 Ford Capri
    • Build Thread
Re: 91 turbo into 94 na
« Reply #13 on: December 07, 2016, 04:58:52 AM »

Awesome :)
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Current Project XR2 SE

To Do
(VJ 11/14), helical LSD, 5th gear cog, 2.5 exhaust
stiffer springs, heated seats, electronic booster
tracker gps, respray

WashiestSnake

  • Old-Timer
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  • Posts: 570
    • 1991 Mercury Capri
Re: 91 turbo into 94 na
« Reply #14 on: December 07, 2016, 07:24:48 PM »

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1991 Mercury Capri 68,xxx Miles--Project(AWD)
1996 Lincoln Continental -- The Boat(Given to my Brother)
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