Engine not turning over

Tiny
MIKE H R
  • MECHANIC
  • 1989 MAZDA RX7
  • 2WD
  • MANUAL
  • 233,000 MILES
Vehicle sat for 20 years. When originally received it tried to turn it over and stopped to clean out gas tank and blow out lines. Now the car will not turn over. Can I get a wiring diagram and location of any starter relays or fuses?
Saturday, April 23rd, 2022 AT 5:07 PM

6 Replies

Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
Never mind, I did some searching on what I exactly wanted and found the wiring for the car.
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Sunday, April 24th, 2022 AT 8:39 AM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Sorry for the delay. Glad you found what you were looking for but I am going to provide some info here just in case someone else in the future needs the same thing so they can find it here.

https://www.2carpros.com/articles/starter-not-working-repair

Please see the info attached below for the wiring diagram for the starting system on this vehicle.

Thanks again.
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Sunday, April 24th, 2022 AT 5:19 PM
Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
  • 1989 MAZDA RX7
  • 1.3L
  • 2WD
  • MANUAL
  • 233,000 MILES
I had receive a answer Kenny K, I have tried to find where the fuel pump relay and the starting relay, He was on the assumption It turn over, but that is not the case. I used to be a moderator for 2 gus but was removed because of inactivity I was removed and any answers I had helped people out were eraced. Can not answer any question that I know. Just need the locations for the fuel pump relay and the starter relay location. Have found a lot of wiring but they don't give the locations of the items I am looking for or location. The car sat for 21 years and had cleaned out the fuel tank and put another fuel pump in. Picture enclosed. It is a work in progress car.
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Saturday, April 30th, 2022 AT 10:45 AM (Merged)
Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
I had taken out the starter and could smell the burnt smell it had, ordered new starter.
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Monday, May 2nd, 2022 AT 5:51 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Take a look at the info attached for the detail on where the fuel pump relay is located.

If this is still related to the engine not starting, then we can continue it here. However, if the engine is not turning over then that is not going to be a fuel pump relay issue. That is going to be a starter related issue so if you are smelling burned wires, then that is most likely a starter solenoid issue.

So, we need to keep each post to one issue so let's get a new post started if you have a fuel related issue as well.

Thanks
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Monday, May 2nd, 2022 AT 6:51 PM
Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
After taking the starter off and disassembled it, it is definitely shot. The brushes are worn down and the solenoid does not work, Bench tested. Waiting for another starter. My wife bought this car from her sister who had it sitting in the garage for over 20 years, so I have a lot to do. Thank you for the comeback. Maybe someday they will let me answer questions again general ones, I come from an old school. I usually can figure out things but this rotary engine is new to me.
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Tuesday, May 3rd, 2022 AT 6:09 AM

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