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1994 Mitsubishi Eclipse Electrical no spark

Tiny
NICHOLSON4
  • MEMBER
  • 1994 MITSUBISHI ECLIPSE
  • 1.8L
  • 4 CYL
  • 2WD
  • MANUAL
  • 140,000 MILES
My eclipse ran fine on way home, the next morning wouldn't start. Have replaced plugs, wires, could, rotor and distributor, still no spark. There is power to distributor. Could anyone tell me where the diagnostic port is located so I can connect a scanner?
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Tuesday, December 8th, 2015 AT 1:06 PM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Have you checked the crank sensor?
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Tuesday, December 8th, 2015 AT 6:42 PM
Tiny
NICHOLSON4
  • MEMBER
  • 8 POSTS
Not yet that's why I'm trying to find the diagnostic port to see if any codes come up
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Tuesday, December 8th, 2015 AT 6:53 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
This vehicle is OBD1. Here is how to check for codes.

Turn ignition switch to OFF position
Locate Data Link Connector (DLC), next to fuse box or sometimes above glove box.
Connect voltmeter positive lead to DLC terminal #1 and Negative lead to terminal 12.
Turn Ignition switch to ON position.
The codes are read by 12 volt pulses of voltmeter.
A constant repetition of short pulses is normal.
Signals will appear on voltmeter a long and short pulses.
Long pulses represent tens and short pulses represent ones (2 long pulses and 3 short pulses indicates code 23)

Keep in mind, the port isn't like a typical 0bd2 set up. It it may just look like a wire connector not plugged into anything. If I recall, it is a 12 pin receiver.
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Wednesday, December 9th, 2015 AT 4:29 PM
Tiny
NICHOLSON4
  • MEMBER
  • 8 POSTS
Thank u I'll try that and see what I come up with
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Wednesday, December 9th, 2015 AT 8:34 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Let me know what you find.
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Thursday, December 10th, 2015 AT 6:36 PM
Tiny
NICHOLSON4
  • MEMBER
  • 8 POSTS
Turned out to be the plate that goes with the crank sensor, my friend took it apart and I put it back together but didn't get that plate put back in. Thanks for your help
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Saturday, December 12th, 2015 AT 9:37 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
That will do it. Glad you got it going.
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Monday, December 14th, 2015 AT 7:42 PM

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