Headlight problems

'85 Berlinetta here too...I'd recommend checking every wire from the headlights back. If you've ever been nudged in either front quarter, the headlight buckets (large fibreglass unit spanning the whole front end) may have cracked and throw things out of whack, which can also cause wires to rub in annoying places.

That possibility is usually only applicable if ONE headlight is out, though...

PS: If you know where you can find a parts car, start snagging parts NOW...they're getting damned hard to find anymore...especially for the

85's!!! Any of the custom electronics...have backups if at all possible!!!

Which reminds me...the left control pod is a likely source of the trouble. If the running lights come on when you hit that button, but the headlights don't come on with the headlight button, that should be fine. If the running lights--but not the headlights--come on when you hit the headlight button, then the control pod is likely NOT where the problem lies. If that helps any...

i checked some wires and now when i turn the headlights on the digital gauges goes out.

Mah, Frien'...you may have a problem with your transmission. I know it sounds crazy, but there's a sending switch on the tranny that "appears" to fry the instrument cluster. TRUST ME ON THIS: It cost me over $600 in diagnostics and running wires to find it out...and ONLY after I had a parts car home and started tearing the instrument cluster out of it!!! Literally...I had JUST started tearing it down to pull the cluster when the phone rang, and they said it was a $25.00 switch on the transmission that was causing it!!!

Note: The sending switch problem's secondary symptom (the first was the obvious blackness of the speedo/dash) was the immediate blowing of new fuses the second you turned the key. Trying to insert a new fuse with the key turned on--even without the motor running--resulted in an immediately tasty-warm fuse with the expected life span of a heroin junkie looking at the pretty lights down the train tracks...

99% chance it is NOT the instrument cluster that's bad!!! After getting my switch (and the associated wiring) replaced, I've never had troubles with the cluster blacking out on me since. (About 5 or 6 years back).

Sorry to say, but you're going to have to start tracing EVERY (*@#in wire on the bloody car now...but it's highly likely that all it will be in the end is a frayed wire or the tiniest little bit of missing insulation "somewhere."

The trouble with the Berlinettas I'm told is that all the electronics systems are tied together in weird and wonderful ways...if there's any way that you can get a complete schematic of the TOTAL wiring system, that's your best bet to start. It's gonna be a bitch, either way, but if it keeps you out of a dealer's bay and saves you the $600 in "alleged testing" it'll be worth it.

While they were "diagnosing the problem" with mine, they screwed up the dash, console, the lighter never worked again, the rear ashtray "went missing"...that was the last time I ever took my car to a dealer, incidentally. (Like that would be a surprise to anyone...)

I wish ya luck!