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no, but it does have a fuel pump relay. it has a fuel pressure regulater
Under the hood
HAYNES REPAIR MANUAL
The 1997 Cadillac power window relay switch can be found inside of the drivers side door. You will need to remove the inside door panel in order to access the power window relay switch.
no fuel sensor on the 91 liac only a fuel pump relay and the filter and the fuel pump is in the tank and the filter is on right side under the car below back door and the fuel pump relay is in your fuses boxs in side the car not under the hood.#3 up from bottom right side of fuses boxs.
on the fire wall in back of your disbributor it is a funny lookn relay it has 3 wires coming out the bottom.it is the one that has a sensor and the relay on the same bracket. the relay on top. i hope that help good luck. p.s Nate Dawgg.
a fuse, relay, bad ground or positive wire at switch or solenoid, etc.
I have a 1978 coupdiville cadillac my blower quit working and there is a relay above your fuse box and if it goes bad your heater wont turn on. I had to replace it with a after market heavy duty relay away from where it is originally plugged in. Also my ground wire connection was dirty and wouldn't turn on until I cleaned the connection so try that and see if it works or you might need to replace the motor.
you have to bypass the relay with another wire. which means find the positive and negative leads on the relay which goes from you power source to you fuel pump, take the extra wire and put one end on the positive and the other on the negative "of the relay" and start the car. if the car stays on you found your problem.
Replace flasher relay that is attached to right side of steering column. Switch it out with hazard relay to see if that is your issue. F
Look under the hood,passenger side at the firewall, you will see the blower motor,directly to the right going towards the drivers side ,you will see the blower control module, then the little small relay will be the next part over.
fire wall???????????????