[DeTomaso] Strange electrical - instrument / dash light problem

[Doug Braun]

Dave,

If by instrument lights you are also meaning that the tach and speedo lights
go out, then try this:
Use a jumper wire with one end connected to a good ground on car and touch
the other end to the speedo or tach case.
If the dash lights come on - you have a grounding problem.

Doug Braun
Blue 73L #5505

-----Original Message-----
From: DeTomaso On Behalf Of Dave Hofman
Sent: Thursday, July 1, 2021 10:12 AM
To: detomaso at server.detomasolist.com
Subject: [DeTomaso] Strange electrical - instrument / dash light problem
Importance: High

Good morning,

72 Pre-L Headlights work as designed. 

Dash lights work as designed when low beams are on. 

When you turn high beams on the instrument & dash lights turn off. 

Turning low beam lights back on turns instrument and dash lights back on.

 

Any assistance would be greatly appreciated.

Dave