Electrical help please - Lightning Forum | LightningRodder.com
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post #1 of 23 (permalink) Old 04-09-2019, 05:35 PM Thread Starter
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Electrical help please

Hello,
I have a 99 with low miles with few mods which were done by previous owner. I owned the truck for past six years. One of the mods was a zex nitrous kit which i have never used nor know anything about.


In January I ran the truck one day for approx twenty minutes and the thing would not shut off using key, i killed motor by pulling fuel pump relay.


So in attempt to fix first I thought possibly ignition switch which I have a new one. But the truck has an aftermarket alarm, so thinking maybe this might part of issue, I pull the lower panel to access ignition switch and this is what i find under there minus nitrous switches and red wire to install.


Question, the black cubes taped together with four metal tabs are taped to alarm main box. They were ny-tied together under dash, does not look factory, is this possibly part of the nitrous system ?



I am trying to remove the kit completely but I am not sure what going on under here. It looks like a series of relays or something. Trying to be careful and take least evasive path possible.
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post #2 of 23 (permalink) Old 04-09-2019, 05:48 PM
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Those are all relays taped up to each other. Looks like the previous owner added quite a few circuits under there. Messing with that many wires can lead to bad things if you do not know what you are doing....if you don’t feel comfortable, take it to a shop.

If you wanna pull it yourself, disconnect the whole alarm system. The previous owner most likely tapped in to original wiring using the self tap crimps, just gotta pull the male spade out. After you get everything out of the way you can repair the wires that were tapped in to.

Good luck.

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post #3 of 23 (permalink) Old 04-09-2019, 05:50 PM
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We might be able to help, if you could stretch the wires out and post a couple pictures of where all the relays go to, and all the alarm wires...it will be very hard to do though.

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post #4 of 23 (permalink) Old 04-09-2019, 06:41 PM Thread Starter
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Those crimps freak me out... I do think i require an alarm but this one has to go. The only thing I know about it is its an Viper, Viper is a little lacking on service information I do not even have a clue to as how old it is.


I cried a little when I got under there, i will strech her out a bit tomorrow.
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post #5 of 23 (permalink) Old 04-09-2019, 06:45 PM
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Damn that looks ugly.
If it was me, I would start pulling the loose wires out. They’re obvious, the ones that are not in a loom. It shouldn’t be too hard.
I bet most of those are taps in to the original circuits that cannot be turned on without the relay activating, this would prevent the truck from starting or running at all during alarm mode. The relays activated by the viper module alone, and I bet there is a signal wire that branch’s off to all those relays and it looks like a mess due to the grounds that need hooked up etc.

Again, if you don’t feel comfortable, definitely take to a shop.

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post #6 of 23 (permalink) Old 04-09-2019, 06:54 PM Thread Starter
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I usually feel comfortable to a point as long as I understand whats going on.


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post #7 of 23 (permalink) Old 04-09-2019, 06:56 PM
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My 99 was just like that,but times 100 when I bought it. It took me a whole day and an empty 55 gallon trash can to just unhook and toss everything. I still have a few questionable wires to repair and if my truck sits for 2 days or more,the battery is completely dead. It had a brand new parts store battery in it when i bought it,and I pulled it and put a brand new Interstate in it and it’s still doing the same shit��

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post #8 of 23 (permalink) Old 04-09-2019, 07:08 PM
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Quote:
Originally Posted by dannyrok View Post
My 99 was just like that,but times 100 when I bought it. It took me a whole day and an empty 55 gallon trash can to just unhook and toss everything. I still have a few questionable wires to repair and if my truck sits for 2 days or more,the battery is complete dead. It had a brand new parts store battery in it when i bought it,and I pulled it and put a brand new Interstate in it and itís still doing the same shit
Do a search for parasitic draw test. You will find the problem.
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post #9 of 23 (permalink) Old 04-09-2019, 07:25 PM
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Quote:
Originally Posted by Painless Autoworks View Post
Do a search for parasitic draw test. You will find the problem.
This here for sure.
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post #10 of 23 (permalink) Old 04-10-2019, 06:43 AM
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if you yank all of the wiring out, and make sure the OEM wires are still all in-tact and not cut apart, and tape up any exposed areas that had wire taps so nothing chaffes/shorts on one another, you should end up okay, then start over again with a newer more modern alarm system if you so choose.

Some viper alarms had what my installer called a "wawa switch" (for those who don't know what wawa is, it's a convenience store around here lol). You hit that switch twice, then you could remove the key, the truck would stay running, and you could leave the truck, lock the doors, arm the alarm, and still keep it running, never shutting it off. Sounds like someway your truck kicked into that mode if it wasn't shutting off with the key removed. Extracting that whole rats nest of wiring should clear up any weird electrical gremlins. You'd be much better off starting fresh with a new alarm, than trying to piece together than ancient thing.


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post #11 of 23 (permalink) Old 04-10-2019, 08:10 PM Thread Starter
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Thanks Harley356, Agreed 100%


The relays are part of the the alarm system, I will contact local Viper installer and go from there


Thanks all for the input.. PS what is the red w/blue strip wire ? how about the yellow one with black tape (above the red/blue) ?? Both come from ignition switch.
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post #12 of 23 (permalink) Old 04-10-2019, 09:33 PM
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My truck had that Page Plus or whatever itís called Autostart crap installed. Everything seems fine now except besides the battery drainissue,my FOB wonít unlock my truck,it only locks it👎Iím not sure if itís the FOB itself or some other issue🤔 Both inside door lock switches work perfectly fine.

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post #13 of 23 (permalink) Old 04-10-2019, 11:11 PM
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Quote:
Originally Posted by Perchdog View Post
Thanks Harley356, Agreed 100%


The relays are part of the the alarm system, I will contact local Viper installer and go from there


Thanks all for the input.. PS what is the red w/blue strip wire ? how about the yellow one with black tape (above the red/blue) ?? Both come from ignition switch.
This could help
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post #14 of 23 (permalink) Old 04-11-2019, 11:35 AM
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Someone is gonna have to crawl under their truck and find out for this guy....and it ainít gonna be me.

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post #15 of 23 (permalink) Old 04-11-2019, 04:51 PM Thread Starter
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Someone is gonna have to crawl under their truck and find out for this guy....and it ainít gonna be me.

Nah, I think I have this under control...


The diagram above is very helpful, is there a link or site that has more wire diagram info available ? I see the circuit numbers in diagram above, i would like more info in regards to the wiring in general under there.


I am not rushing this, my time is limited with work and all. I also do have some health issues that do not help. Please bear with me and be patient, so far all you guys have been very helpful
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