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Old 08-09-2021, 12:18 AM   #1
big o
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Default Nissan ignition.

My 1994 Nissan D21 hardbody ignition switch decided whether it would start
or not. It would take several turns of the key, before the starter would
engage,(ignition switch problem?). Solution, remove and check ignition
switch. Here are my findings. Connector plate,( back end of switch
body)loose. Housing is attached with 3 dimples to barrel. (not the greatest
design for a plate of electric contacts).This was my fix. Everything back to
normal.

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File Type: jpg DSCN0169_LI (2).jpg (58.6 KB, 43 views)

Last edited by big o; 08-09-2021 at 11:23 PM. Reason: Add image...
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Old 08-09-2021, 02:24 PM   #2
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Thank you for the solution. Maybe its my computer, but the first 3 images are really big pixels and can't see the image clear. The last image is perfect.
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Old 08-09-2021, 10:25 PM   #3
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Welcome big o...

So, what (exactly) did you do to tighten it up... Tap the dimples back in?

What are the 3 red dots?
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What he is saying is the aerodynamics of a D21 is a brick in the wind.
Probably at least as bad as a Jeep so worse than a cow.
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Old 08-09-2021, 11:31 PM   #4
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Default Nissan ignition switch.

I'm adding pictures to my previous post that were too large.
Attached Images
File Type: jpg SSCN0210.jpg (58.1 KB, 10 views)
File Type: jpg DSCN0135.JPG (97.3 KB, 9 views)
File Type: jpg DSCN0136 (4).JPG (97.3 KB, 9 views)
File Type: jpg DSCN0137_t.jpg (6.8 KB, 28 views)

Last edited by big o; 08-10-2021 at 12:54 AM. Reason: Adding new picture.
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Old 08-10-2021, 01:27 AM   #5
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Quote:
Originally Posted by big o View Post
My 1994 Nissan D21 hardbody ignition switch decided whether it would start or not. It would take several turns of the key, before the starter would engage,(ignition switch problem?). Solution, remove and check ignition switch. Here are my findings. Connector plate,( back end of switch body) loose. Housing is attached with 3 dimples to barrel. (not the greatest design for a plate of electric contacts).This was my fix. Everything back to normal.
I'm confused.

What exactly did you do? Did you resolder the connectors?
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Old 08-10-2021, 06:08 PM   #6
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Default D21 ignition switch.

I am having trouble posting pictures. Here goes another try. Tap dimples in, and add brass legs to secure contact plate. The wiring is original.
Attached Images
File Type: jpg DSCN0169_LI (2).jpg (58.6 KB, 4 views)
File Type: jpg DSCN0135.JPG (97.3 KB, 4 views)
File Type: jpg DSCN0136 (4).JPG (97.3 KB, 3 views)
File Type: jpg DSCN0137 (4).JPG (96.9 KB, 3 views)
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Old 08-11-2021, 10:37 PM   #7
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Default D21 ignition switch.

This post is to clarify previous post. Ignition switch contact plate was loose(back end with wires) 3 dimples (red dots) holding the back-plate, were worn allowing it to move (pressure from the spring pushed the switch contact plate back) loosening it's contact with the fixed back-plate. Turning the key allows the plate to break contact with the fixed end plate(plate rotates slightly) causes start/run problems.










Attached Images
File Type: jpg DSCN0169_LI (2).jpg (58.6 KB, 3 views)
File Type: jpg DSCN0135.JPG (97.3 KB, 0 views)
File Type: jpg DSCN0136 (4).JPG (97.3 KB, 1 views)
File Type: jpg DSCN0137 (4).JPG (96.9 KB, 9 views)
File Type: jpg SSCN0210.jpg (58.1 KB, 2 views)

Last edited by 89'HBV6; 08-11-2021 at 11:45 PM. Reason: Adding images within the post.
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Old 08-11-2021, 10:49 PM   #8
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Thanks for explaining. I suspected as much, but not knowing what you did left some questions. Thanks again...


edit: Had not seen the finished product prior. Hmmmmmmmm... are those brass screws?

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Quote:
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What he is saying is the aerodynamics of a D21 is a brick in the wind.
Probably at least as bad as a Jeep so worse than a cow.
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Old 08-11-2021, 10:56 PM   #9
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Yes they are brass.
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Old 08-11-2021, 11:04 PM   #10
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Any specific reason you choose brass? ...or just what you had?
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Quote:
Originally Posted by Deerhurst
What he is saying is the aerodynamics of a D21 is a brick in the wind.
Probably at least as bad as a Jeep so worse than a cow.
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