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Tacho Signal on a 86 EFI Rangie

Tech Talk for Rover owners.

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Tacho Signal on a 86 EFI Rangie

Post by RUFF »

Where does the Tacho get its signal from on a 86 EFI rangie?
I just got mine going again and for some reason the tacho is realy lazy. It reads 0 at idle and i rev it to about 2grand before the needle moves. The only thing that i didnt use from my rangie motor was the alternator. I used the disco one instead but surely lucas wasnt that stupid to use the alternator as a pickup like nissan did in the patrol? The disco alternator runs a different size pully.
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Post by HSV Rangie »

Alternator.

Michael.
Mitsubishi 2010 NT DID Pajero wagon, Factory rear diff lock, Dual batteries, ARB bar, winch, Mt ATZ 4 rib tyres.
1986 RR.
Custom suspension links etc.
HSV 215 engine.
4.3 diffs.
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Re: Tacho Signal on a 86 EFI Rangie

Post by RaginRover »

RUFF wrote:Where does the Tacho get its signal from on a 86 EFI rangie?
I just got mine going again and for some reason the tacho is realy lazy. It reads 0 at idle and i rev it to about 2grand before the needle moves. The only thing that i didnt use from my rangie motor was the alternator. I used the disco one instead but surely lucas wasnt that stupid to use the alternator as a pickup like nissan did in the patrol? The disco alternator runs a different size pully.


I think there is the prob mate - I am pretty sure it was the alternator but Chuck has probably told you about that now - swap him for a bosch off an ice pack and use the old pulley worked for me
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