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SORN
by OldSkrote - 31/07/25 02:07 PM
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Aug 24th, 2023
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Joined: Jul 2008
Posts: 1
New to Talk Morgan
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OP
New to Talk Morgan
Joined: Jul 2008
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Does anyone know what the three relays are for in a 2001 Morgan 4/4. I broke down this weekend and the AA guy just moved them around and got me going again.
Having no wiring diagram I do not know the function of the 3 Bosch relays.
regards Neil
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Joined: Jul 2007
Posts: 26,770 Likes: 429
Member of the Inner Circle
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Member of the Inner Circle
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JohnV6
2022 CX Plus Four
2025 MG ZS EV aka Trigger
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Joined: Apr 2008
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New to Talk Morgan
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New to Talk Morgan
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Neil,
On my 1994 plus 4 they are as follows, probably similar on yours although no guarantees.
One relay is for the ECU, one for the stepper motor and the third for the fuel pump (I think). I've had the engine die when running and fail to re-start when one broke and have seen one other Mog with the same problem. My spare got him going. I now carry a spare at all times as the vibration causes their internal connections to break (on a regular basis). Bosch part number is on the top, any decent auto electrician can supply for about £6. Don't use a standard five pin relay as the internal wiring is a bit different.
Jim
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Joined: Oct 2007
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
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This exact issue was on mogtalk a few days ago. I'm on holiday so can't access my home PC. Perhaps someone else can. The relays contain a diode and are marked as such, I think.
Nigel
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