Yes these can be related. Disconnect the switch for the 4-way flashers. Lights out, YES, replace the switch.
Jumper the connectors for the hyd fluid level and brake pressure switches. Lights go out? YES, replace sensors.
If "NO" to the above tests, I would seriously look at the dash board processor. The books and diagrams are not very clear on this issue. I have an '88 xj6 and would appreciate knowing what you find out. Good luck.
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Tuesday, October 7th, 2008 AT 2:00 PM