Pontiac Grand Prix

Where is the turn signal relay in a 1990 Pontiac Grand Prix?


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2005-03-07 16:42:26
2005-03-07 16:42:26

I am not an expert on the 1990 Grand Prix but on a GM product I would look for a round flasher assembly located near the fusebox downunder on the left side of the dash.


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No. there is no relay for the turn signals.

Under the hood in the fuse/relay module.

The 1990 Toyota Camry turn signal flasher relay switch can be found beneath the drivers side dashboard. The turn signal flasher relay switch will be above the gas pedal.

The PCV valve is located under the MAP sensor on a 1990 Pontiac Grand Prix. The MAP sensor is in the upper plenum.

yes it should bolt right up as well as the original motor and tranny

clean out or replace the throttle body spacer...

follow the top radiator hose to the engine.

1994--2005 Buick Century1989--1996 Buick Regal1994--1998 Buick Skylark1990--1996 Chevrolet Beretta1990--1992 Chevrolet Camaro1990--1994 Chevrolet Cavalier1990--1990 Chevrolet Celebrity1990--1996 Chevrolet Corsica1990--1995 Chevrolet Lumina APV1994--1998 Oldsmobile Achieva1989--1997 Oldsmobile Cutlass Supreme1994--1996 Oldsmobile Cutlass Ciera1990--1995 Oldsmobile Silhouette1988--1991 Pontiac 60001990--1992 Pontiac Firebird1994--1998 Pontiac Grand Am1989--2003 Pontiac Grand Prix1991--1994 Pontiac Sunbird1990--1995 Pontiac Trans Sport

It will be in the fuse block under the hood.

open the glove box and look to the right

On the '92 sunblrd SE the power for the lights to from fuse to headlight switch to dimmer switch to bulb, no relay involved.


Had a bad fuel pump relay on my 1990 Safari wagon that would keep the fuel pump running when the engine was shut off and the key removed. Drove me nuts for monthes wouldn't happen all the time but intermittently.

The relay is located on the back side of the fuse box. You have to crawl under the driver's side steering wheel in order to see the relays. The relay in the BLUE socket is it.

1990-1994 take out dashboard and it is on the left take out three screws and the bigger relay is for the blinkers.

Mrkhh. I stand corrected. The firing order is indeed 1,2,3,4,5,6Answer.

You have to remove the glove box. Once you remove it the turn signal relay is located above the fuses up under the dash. (There is no way to get to it or see it - other than removing the glove box) I just replaced mine ~

I have an 87 4runner and i had a similar problem turns out that the starter relay sends power to the fuel pump you might want to try replacing that relay

Transmission control unit for a 1990 Pontiac transport?

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