Question about 1991 Subaru Loyale

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'91 Subaru: dash & running lights won't turn on with headlights

On my 1991 Subaru Loyale, for several months, occasionally when i would turn headlights on, only the R headlight wold turn on (although less brightly), with no dash lights and no running/tail lights.  Next time i drove, or sometimes after going over a bump, all would return to normal (dash, running, & Left headlight would work again).  Now, the condition (i.e., no left headlight, dash or running/tail lights, and only dim rightside headlight) seems permanent.  I think it's not a bulb issue, because it used to go on AND off; this makes me think it's either some kind of wiring short, or perhaps something in the headlight switch on the column (although why would that allow the Right headlight to still work?)

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Johnvan546 is totally correct. I have fixed this problem before and am about to do it again. There are two relays underneath your dash on drivers side to the left of the steering wheel if your sitting in the seat and looking forward. The appear identical by just looking at them ( I think they are identical). They are located in clips that are tough to remove so it takes little hands or the removal of other components of the dash. the problem lies in one of those relays. Unplug the wires from one to see if your symptoms change. if not, then its the other one. My issue is I call the dealer and tell them i need a headlight relay, and they don't know what I'm talking about. good luck.

Posted on May 08, 2014

  • Andy Metzler
    Andy Metzler May 08, 2014

    I should mention by underneath your dash, start with all the paneling under your steering wheel and get a flashlight. the relays are very close to the steering column

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This is a problewm I have been researching. On the 91 Loyale there are two headlight relays. The relay for the left headlight also controls the instrument lights and the running lights. If the right relay is working and the left is not, the left headlight will be dim because of a back electrical path through the high beam indicator light on the dash, but the instrument and running lights will be out. I have been trying to find out where Subaru put these relays, but three Subaru service departments have been no help. One dealer's service department told me to remove the large bezel around the instrument panel. I did and the relays weren't there. Lots of luck.
John

Posted on Aug 19, 2009

  • Brent Davie Jul 01, 2011

    have you found the relays yet cause i am having the same problem in my subaru

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