20 Most Recent 1992 Jaguar XJ6 - Page 8 Questions & Answers

carry out hydrometer test to check dead cells place amp metre between pos on battery and positive lead and see what the reading is and then start removing fuses untell you find curcuit is causing the leakage, depending on year you may find a lot of corrosion on fuses and terminals

Have this done by a trained professional.

the large one fat brown wire

check the fluid level sounds like its slipping if ok poss needs overall

Hi, Something is still on when you leave the car (light) or (Fan) That is why the battery was dead.
Could be a trunk light or alarm system that is on or even a door light. Check these out.
If engine does not start check fuel pump (listen for pump just before cranking the engine). Check fuel pump fuse too. Check the distributor and rotor for cracks. Good luck.

It's the break switch under the break petal there should be two. The one that the break petal rest on it more than likely it it's maybe 10$-25$ to fix it

check for a vacuum line failure or vacuum actuator failure if you have one other wise check for the down shift cable connection.

plug gap is .038 to .040 inch