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Power But No Start...Help!

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Old Mar 8, 2020 | 01:51 PM
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Originally Posted by country2
Won't it run with the small ground wire from battery to the chassis gone just issues with about everything else....esp gages and lights?. I think that's what he has missing.
Me too.
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Old Mar 8, 2020 | 04:30 PM
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Originally Posted by Dave51
But you must have had some sort of ground there. There can't be nothing if you were driving around.

Feel like sending an image of what you've got?

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Old Mar 8, 2020 | 05:48 PM
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Sure, slap one in there.
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Old Mar 9, 2020 | 04:14 PM
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Originally Posted by Dave51
Sure, slap one in there.
Hey... you think 4 gauge is good?
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Old Mar 9, 2020 | 07:40 PM
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Originally Posted by Boydutchy
Hey... you think 4 gauge is good?
I think that would be perfect.
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Old Mar 12, 2020 | 06:05 PM
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Originally Posted by Dave51
You can confirm this by cutting the NSS harness and splicing these two wires together:



If it's an NSS problem you'll be able to start. No reverse lights tho.
This wire that is cut in your photo and spliced together, is the other end the neutral safety switch that's connected to the transmission? Man I'm having troubles lol
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Old Mar 12, 2020 | 06:31 PM
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Yes. Consider it a modified NSS:




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Old Mar 12, 2020 | 07:26 PM
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Originally Posted by Dave51
Yes. Consider it a modified NSS:


Ok so I tried this and still no luck. Thanks though!
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Old Mar 13, 2020 | 04:28 AM
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OK the next step would be the ignition switch. The heater wire tends to melt the switch.
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Old Mar 13, 2020 | 04:31 AM
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From Randy61. He has a 1990:



cruiser54

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Old Mar 13, 2020 | 05:57 PM
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Originally Posted by Dave51
From Randy61. He has a 1990:



cruiser54

Thanks. I will definitely check this no matter what, but what's your thoughts on the starter relay? Is this easier/cheaper to check/replace?
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Old Mar 13, 2020 | 06:33 PM
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Originally Posted by Boydutchy
Hopefully someone can help me. I got a 90 XJ Sport, 4.0, 6 cylinder. It has a new starter and battery is good. When I turn the key, lights and all come on but no crank at all. I do know I'm missing the battery ground wire, which been missing for a few yrs but I've just recently learned about the importance of these ground wires. Another thing I've noticed is oil on a lot of parts in the engine. Where should I start? Battery ground wire? Alternator?...which I think may not be the problem. Any help is greatly appreciated.
http://www.cruiser54.com for info on fixing those grounds. I would steer away from butchering the wiring harness myself and simply test the NSS with a meter. Or just disconnect the connector and jumper the two pins temporarily to test. I wouldn't be surprised at all if it needed removed, cleaned and reinstalled. Hit youtube for a ton of vidios on the NSS. Plenty of places to leak oil. In order of ease to fix and common-ness are the valve cover, then oil filter adapter, and lastly the rear main seal. If the back of the engine block is oily, probably the valve cover. If the starter is oil soaked (and maybe the reason for the new starter?), probably the oil filter adapter.
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Old Mar 14, 2020 | 12:19 AM
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Originally Posted by BillyBoy
I cant believe anyone is willing to reply after hearing you dismiss this.... I'm going to have problems sleeping tonight...
I felt the same way when I read that.... sorry... made me cringe a little bit to be honest. That could be opening a whole case (not just a single can) of worms for a host of other issues.
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Old Mar 14, 2020 | 03:02 AM
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Originally Posted by lawsoncl
Or just disconnect the connector and jumper the two pins temporarily to test.
Absolutely concur. On me for not mentioning that (I did that, but I guess that's NFG to say now).
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Old Mar 14, 2020 | 03:09 AM
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Originally Posted by BillyBoy
I cant believe anyone is willing to reply after hearing you dismiss this.... I'm going to have problems sleeping tonight...
Originally Posted by RocketMouse
I felt the same way when I read that.... sorry... made me cringe a little bit to be honest. That could be opening a whole case (not just a single can) of worms for a host of other issues.
If all the other grounds are sound, why is missing that 4 gauge wire going to be a problem? If the engine-to-body straps are sound, isn't the missing wire simply a back-up? I mean, if x doesn't work if that wire is missing, that's GTK.

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