A 94 Plus 8 predates OBD

The diagnostic iterminal used by Rover dealers was called a testbook

The most cost effective reader is Rovergauge software that runs on a PC. The software is free, but you need a cable to connect to the ECU .

Details and downloads at http://www.remap-14cux.uk/gadgets.html

Cable and software here https://www.ebay.co.uk/itm/Range-Rover-Classic-TVR-Morgan-Lucas-14CUX-hotwire-diagnostic-cable-kit/224011772032?hash=item3428246080:g:3-cAAOSw6qpa157K

The connector is on a spur off of the harness, behind and to the right side of the rear of the glovebox, there is a plug already in the socket, remove the plug and connect the Rovergauge cable.

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Mike Smith

2007 +4