Does anyone know offhand if the A/C ECU from a similar vintage XJ6 will work in a XJS?

Looking for one for 1989 XJS.

 

check with David Boger at everydayxj, he may have what you need.

 

The Series III XJ6 never used the Delanair Mk III system, so that's no help. The Series XJ12 cars used the Mark III system after roughly August 1986....so that's a possible source.

The XJ40 cars used the Mark IV system AFAIK....very similar but not sure if the ECU would actually be compatible

Might be best to go here and look up the actual part number you need for your car and then see what other models used the same part number:

Genuine Jaguar Parts and Jaguar Accessories for classic Jaguars from Jaguar Classic Parts UK


There were quite a few sub-variants of the ECU over the years. I'm not sure which were dissimilar enough to disqualify them from use in your car. Others might know

Cheers
DD

Cheers
DD