Number 3 pin @relay sends power to the fuel pump
(green wire), pin 2 (green/red gets grounded by the fuel injection power train computer, pins 1 AND 4 GET POWER THROUGH THE CIRCUIT OPENING relay, and EFI relay. Fuses in the circuit are, 10 amp fuse marked IGN and 20 amp fuse marked EFI. God-Bless ! this is for a 95 lexus LS400,
SOURCE: toyota camry 95' fuel pump won't turn on
I would definately check the fuel pump relay, should be located in power distribution box in your vehicle, you may be able to switch it out with a relay of the same type to see if it turns on the fuel pump, but you may need a new fuel pump if this doesn't fix it. Hope this helps.
SOURCE: 95 dakota cranks but wont start
Well I'm a chrysler master tech & this is a little odd. There's alot of things not in the question so here are mine. I'm assuming it's a 3.9 no 4wd. When did this happen? When you check for power do you have some one turn the key on while you check? If still no power then make sure all the fuses are good from the one under the hood to the one inside the cab. Next be sure to check the grounds. You'll need to by a manual like a Haynes in order to get a decent wiring diagram. In a worst case senario the main power box under the hood has an issue & the asd relay gets no power,hence no start. Ran into it on a 95 caravan & it took a week to figure it out & no replacement was available & I had to hard wire it so it would run. Hope this helps.
SOURCE: 95 wrangler wont start
Please refer to this solution: http://www.fixya.com/cars/t1016149-1989_jeep_cherokee
It's probably the A/C relay under the hood indeed. And your battery might have gone bad too.
Testimonial: "thank you for your very fast responce.however it did not change.still waiting for relays.what does a/c relay do.is there a asd switch."
SOURCE: 2001 chevy blazer, have replaced
when replacing fuel pumps on alot of chevys its recommended to replace the harness also or you can have repeated fuel pump failures. Do a search on,, why repeat fuel pump failures;; and you'l have some info to go on.
SOURCE: my 95 lexus gs 300 wont start
Try to replace the fuel filter and then check the spark plugs. Mke sure to clean the spark plugs and after you clean the spark plugs and still the same it wont start replace the spark plugs and check the distributor as well.
I’m happy to assist further over the phone at https://www.6ya.com/expert/ramy_d9e7ebea3891f482
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There is no power to fuel pump but to float there is
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