95 Wrangler O2 Sensor Wiring HELP!
I just purchased a 95 Wrangler with the 2.5L 4 Cyl. engine. I get a code 21, which is related to the 02 sensor. The guy I got the jeep from just replaced the 02 sensor. The connector was bad, so he cut it out and spliced the wires together and got mixed up. He said ever since then the light comes on. The engine runs fine, but does not idle well when it heats up, I am hoping this is related to the sensor, but it may not be. I just want to get the light out. Can anyone tell me how to wire this thing? There are the following wires coming from the wiring harness: Black Black with Blue Stripe Black with Green Stripe Green with Orange Stripe and coming from the sensor: White White Black Gray This is how it is currently (runs this way): Black - White Black/Blue - White Blk/Green - Gray Green/Orange - Blk I've played with as many combinations that I can and either the engine will not crank, or I get the same check engine light code. I can go purchase another o2 sensor in case this one is fried, but wanted to try to get it wired right first. Any help would be greatly appreciated!! Jay |
Re: 95 Wrangler O2 Sensor Wiring HELP!
JMH did pass the time by typing:
> I've played with as many combinations that I can and either the engine will > not crank, or I get the same check engine light code. I can go purchase > another o2 sensor in case this one is fried, but wanted to try to get it > wired right first. It's too late for this advice. Hopefully you haven't destroyed the ECU, but wiring the O2 sensor the wrong way can damage it and the ECU. When it comes to wiring, don't guess. Unless someone here posts the pinout, your going to have to contact the dealership and get a copy of the wiring diagram. My 93 service books don't have those colors. My suggestion is buy the service book. It will pay for itself in the first couple of repairs. -- DougW |
Re: 95 Wrangler O2 Sensor Wiring HELP!
JMH did pass the time by typing:
> I've played with as many combinations that I can and either the engine will > not crank, or I get the same check engine light code. I can go purchase > another o2 sensor in case this one is fried, but wanted to try to get it > wired right first. It's too late for this advice. Hopefully you haven't destroyed the ECU, but wiring the O2 sensor the wrong way can damage it and the ECU. When it comes to wiring, don't guess. Unless someone here posts the pinout, your going to have to contact the dealership and get a copy of the wiring diagram. My 93 service books don't have those colors. My suggestion is buy the service book. It will pay for itself in the first couple of repairs. -- DougW |
Re: 95 Wrangler O2 Sensor Wiring HELP!
JMH did pass the time by typing:
> I've played with as many combinations that I can and either the engine will > not crank, or I get the same check engine light code. I can go purchase > another o2 sensor in case this one is fried, but wanted to try to get it > wired right first. It's too late for this advice. Hopefully you haven't destroyed the ECU, but wiring the O2 sensor the wrong way can damage it and the ECU. When it comes to wiring, don't guess. Unless someone here posts the pinout, your going to have to contact the dealership and get a copy of the wiring diagram. My 93 service books don't have those colors. My suggestion is buy the service book. It will pay for itself in the first couple of repairs. -- DougW |
Re: 95 Wrangler O2 Sensor Wiring HELP!
"DougW" <post.replies@invalid.address> wrote in
news:x5NUd.14234$Ps.8938@okepread06: I figured it would do no harm at this point since the guy I got it from had already tried all combinations :-). I'll probably purchase another one as soon as I am sure the wiring is right. I'll look into a service book too. Thanks! Jay > JMH did pass the time by typing: > >> I've played with as many combinations that I can and either the >> engine will not crank, or I get the same check engine light code. I >> can go purchase another o2 sensor in case this one is fried, but >> wanted to try to get it wired right first. > > It's too late for this advice. Hopefully you haven't destroyed the > ECU, but wiring the O2 sensor the wrong way can damage it and the ECU. > When it comes to wiring, don't guess. > > Unless someone here posts the pinout, your going to have to contact > the dealership and get a copy of the wiring diagram. My 93 service > books don't have those colors. > > My suggestion is buy the service book. It will pay for itself in the > first couple of repairs. > |
Re: 95 Wrangler O2 Sensor Wiring HELP!
"DougW" <post.replies@invalid.address> wrote in
news:x5NUd.14234$Ps.8938@okepread06: I figured it would do no harm at this point since the guy I got it from had already tried all combinations :-). I'll probably purchase another one as soon as I am sure the wiring is right. I'll look into a service book too. Thanks! Jay > JMH did pass the time by typing: > >> I've played with as many combinations that I can and either the >> engine will not crank, or I get the same check engine light code. I >> can go purchase another o2 sensor in case this one is fried, but >> wanted to try to get it wired right first. > > It's too late for this advice. Hopefully you haven't destroyed the > ECU, but wiring the O2 sensor the wrong way can damage it and the ECU. > When it comes to wiring, don't guess. > > Unless someone here posts the pinout, your going to have to contact > the dealership and get a copy of the wiring diagram. My 93 service > books don't have those colors. > > My suggestion is buy the service book. It will pay for itself in the > first couple of repairs. > |
Re: 95 Wrangler O2 Sensor Wiring HELP!
"DougW" <post.replies@invalid.address> wrote in
news:x5NUd.14234$Ps.8938@okepread06: I figured it would do no harm at this point since the guy I got it from had already tried all combinations :-). I'll probably purchase another one as soon as I am sure the wiring is right. I'll look into a service book too. Thanks! Jay > JMH did pass the time by typing: > >> I've played with as many combinations that I can and either the >> engine will not crank, or I get the same check engine light code. I >> can go purchase another o2 sensor in case this one is fried, but >> wanted to try to get it wired right first. > > It's too late for this advice. Hopefully you haven't destroyed the > ECU, but wiring the O2 sensor the wrong way can damage it and the ECU. > When it comes to wiring, don't guess. > > Unless someone here posts the pinout, your going to have to contact > the dealership and get a copy of the wiring diagram. My 93 service > books don't have those colors. > > My suggestion is buy the service book. It will pay for itself in the > first couple of repairs. > |
Re: 95 Wrangler O2 Sensor Wiring HELP!
Too bad the person tried to put the wrong one in. Anyone with even half
a clue should know better. If the plug doesn't fit, it's the wrong thing. You problem now is the wrong O2 colors won't ever be matched in any book so unless you know how to read the thing and have the right tools to do so, you are out of luck. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's JMH wrote: > > "DougW" <post.replies@invalid.address> wrote in > news:x5NUd.14234$Ps.8938@okepread06: > > I figured it would do no harm at this point since the guy I got it from had > already tried all combinations :-). I'll probably purchase another one as > soon as I am sure the wiring is right. I'll look into a service book too. > > Thanks! > Jay > > > JMH did pass the time by typing: > > > >> I've played with as many combinations that I can and either the > >> engine will not crank, or I get the same check engine light code. I > >> can go purchase another o2 sensor in case this one is fried, but > >> wanted to try to get it wired right first. > > > > It's too late for this advice. Hopefully you haven't destroyed the > > ECU, but wiring the O2 sensor the wrong way can damage it and the ECU. > > When it comes to wiring, don't guess. > > > > Unless someone here posts the pinout, your going to have to contact > > the dealership and get a copy of the wiring diagram. My 93 service > > books don't have those colors. > > > > My suggestion is buy the service book. It will pay for itself in the > > first couple of repairs. > > |
Re: 95 Wrangler O2 Sensor Wiring HELP!
Too bad the person tried to put the wrong one in. Anyone with even half
a clue should know better. If the plug doesn't fit, it's the wrong thing. You problem now is the wrong O2 colors won't ever be matched in any book so unless you know how to read the thing and have the right tools to do so, you are out of luck. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's JMH wrote: > > "DougW" <post.replies@invalid.address> wrote in > news:x5NUd.14234$Ps.8938@okepread06: > > I figured it would do no harm at this point since the guy I got it from had > already tried all combinations :-). I'll probably purchase another one as > soon as I am sure the wiring is right. I'll look into a service book too. > > Thanks! > Jay > > > JMH did pass the time by typing: > > > >> I've played with as many combinations that I can and either the > >> engine will not crank, or I get the same check engine light code. I > >> can go purchase another o2 sensor in case this one is fried, but > >> wanted to try to get it wired right first. > > > > It's too late for this advice. Hopefully you haven't destroyed the > > ECU, but wiring the O2 sensor the wrong way can damage it and the ECU. > > When it comes to wiring, don't guess. > > > > Unless someone here posts the pinout, your going to have to contact > > the dealership and get a copy of the wiring diagram. My 93 service > > books don't have those colors. > > > > My suggestion is buy the service book. It will pay for itself in the > > first couple of repairs. > > |
Re: 95 Wrangler O2 Sensor Wiring HELP!
Too bad the person tried to put the wrong one in. Anyone with even half
a clue should know better. If the plug doesn't fit, it's the wrong thing. You problem now is the wrong O2 colors won't ever be matched in any book so unless you know how to read the thing and have the right tools to do so, you are out of luck. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's JMH wrote: > > "DougW" <post.replies@invalid.address> wrote in > news:x5NUd.14234$Ps.8938@okepread06: > > I figured it would do no harm at this point since the guy I got it from had > already tried all combinations :-). I'll probably purchase another one as > soon as I am sure the wiring is right. I'll look into a service book too. > > Thanks! > Jay > > > JMH did pass the time by typing: > > > >> I've played with as many combinations that I can and either the > >> engine will not crank, or I get the same check engine light code. I > >> can go purchase another o2 sensor in case this one is fried, but > >> wanted to try to get it wired right first. > > > > It's too late for this advice. Hopefully you haven't destroyed the > > ECU, but wiring the O2 sensor the wrong way can damage it and the ECU. > > When it comes to wiring, don't guess. > > > > Unless someone here posts the pinout, your going to have to contact > > the dealership and get a copy of the wiring diagram. My 93 service > > books don't have those colors. > > > > My suggestion is buy the service book. It will pay for itself in the > > first couple of repairs. > > |
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