I have a manual 95 850 glt. I’m swapping in the turbo motor from an auto T5R. I moved over motor, ECU, dash wiring, cluster from the donor car minus the auto wiring and TCU. I’m getting a no crank and I think it might be because the ECU is looking for the park/neutral signal which it’s not getting because my wagon is manual and none of the wiring is there. I can’t just jump pins on the auto harness. My thought is to try and jump pins wherever the auto harness goes to from the Center console. Where does that harness go to? Is there another way to get the ECU to think it’s in park/neutral? Does anyone have wiring diagrams for both cars?
Thanks in advance!
1995 850 “manual” swap help
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notavolvoguy
- Posts: 2
- Joined: 26 November 2022
- Year and Model: 1995 850 glt
- Location: Canada
- Chuck W
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Google "1995 Volvo 850 wiring diagrams".
You'll find what you need.
You'll find what you need.
'97 854 T5 - Manual Swap/M4.4/COP/NA cams/P2R Brakes/16T/ chassis bracing/ XC70 nose swap
'97 855 GLT - Hers. RN swap/16T/COP/VVT/exhaust/302s/Flashed M4.4/ chassis bracing/ 2 kid seats
'78 GLE - Waiting in the wings. Future whiteblock/T5 swap.
The Others- '83 TBird turbo, '85 Mercury Marquis LTS (1 of 134), '86 LTD Wagon, '81 Granada GL, '76 Beetle, '93 F-150 I6
'97 855 GLT - Hers. RN swap/16T/COP/VVT/exhaust/302s/Flashed M4.4/ chassis bracing/ 2 kid seats
'78 GLE - Waiting in the wings. Future whiteblock/T5 swap.
The Others- '83 TBird turbo, '85 Mercury Marquis LTS (1 of 134), '86 LTD Wagon, '81 Granada GL, '76 Beetle, '93 F-150 I6
- foggydogg
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Everybody's friend Robert may talk about it in one of his swap vids. See if this helps from V/S:notavolvoguy wrote: ↑26 Nov 2022, 10:37 I have a manual 95 850 glt. I’m swapping in the turbo motor from an auto T5R. I moved over motor, ECU, dash wiring, cluster from the donor car minus the auto wiring and TCU. I’m getting a no crank and I think it might be because the ECU is looking for the park/neutral signal which it’s not getting because my wagon is manual and none of the wiring is there. I can’t just jump pins on the auto harness. My thought is to try and jump pins wherever the auto harness goes to from the Center console. Where does that harness go to? Is there another way to get the ECU to think it’s in park/neutral? Does anyone have wiring diagrams for both cars?
Thanks in advance!
http://volvospeed.com/vs_forum/topic/11 ... ring-help/
And he could cover it here, even though it's not what you're doing:
You didn't mention the year of the donor car, please tell us it's not a '99+.
69 1800s, @500k Death by Rust
94 850 Turbo, T-boned, ambulance for me, crusher for it
97 855 T5, 855 R projects
98 V70R x2, Silver Junkyard rescue, Coral Red
98 V70GLT x2, parts cars
00 V70xc x2, both now dead
62 122s, gone to live in Richmond
56 445 Duett basket project
1950 Studebaker 2R10 flatbed, T9 crashbox
94 850 Turbo, T-boned, ambulance for me, crusher for it
97 855 T5, 855 R projects
98 V70R x2, Silver Junkyard rescue, Coral Red
98 V70GLT x2, parts cars
00 V70xc x2, both now dead
62 122s, gone to live in Richmond
56 445 Duett basket project
1950 Studebaker 2R10 flatbed, T9 crashbox
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notavolvoguy
- Posts: 2
- Joined: 26 November 2022
- Year and Model: 1995 850 glt
- Location: Canada
Donor car was a 96.
I’ll check out Robert’s stuff. Thanks!
I’ll check out Robert’s stuff. Thanks!
- matthew1
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Look through these results: search.php?keywords=swap+TCU
I know we've covered this, but I didn't look through those results to find where.
I know we've covered this, but I didn't look through those results to find where.
Help keep MVS on the web -> click sponsors' links here on MVS when you buy from them.
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1998 V70, no dash lights on
1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace
2004 V70 R [gone]
How to Thank someone for their post

Also -> Amazon link. Click that when you go to buy something on Amazon and MVS gets a cut!
1998 V70, no dash lights on
1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace
2004 V70 R [gone]
How to Thank someone for their post

- Chuck W
- Posts: 1312
- Joined: 24 December 2014
- Year and Model: 97 854 T5
- Location: Indianapolis, IN
- Has thanked: 96 times
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He said the donor was a T5R, so a '95 as well.
'97 854 T5 - Manual Swap/M4.4/COP/NA cams/P2R Brakes/16T/ chassis bracing/ XC70 nose swap
'97 855 GLT - Hers. RN swap/16T/COP/VVT/exhaust/302s/Flashed M4.4/ chassis bracing/ 2 kid seats
'78 GLE - Waiting in the wings. Future whiteblock/T5 swap.
The Others- '83 TBird turbo, '85 Mercury Marquis LTS (1 of 134), '86 LTD Wagon, '81 Granada GL, '76 Beetle, '93 F-150 I6
'97 855 GLT - Hers. RN swap/16T/COP/VVT/exhaust/302s/Flashed M4.4/ chassis bracing/ 2 kid seats
'78 GLE - Waiting in the wings. Future whiteblock/T5 swap.
The Others- '83 TBird turbo, '85 Mercury Marquis LTS (1 of 134), '86 LTD Wagon, '81 Granada GL, '76 Beetle, '93 F-150 I6
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