wireing trouble..now what - Third Generation Forum

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wireing trouble..now what
Thursday, June 12, 2008 6:04 AM
so i got a motor for my sunfire (2.4) andgot it home to realize it was a bit differnnt. the intake i dont mind but on the back of the block there is plug with one wire (round plug) while mine has a 2 prong plug so i unbolted them to find out the holes were diff size the one i bought to put in my car has a bigger hole then the one i took out....is there anyway i can splice this togather to get it to work?

Re: wireing trouble..now what
Thursday, June 12, 2008 6:32 AM
Knock Sensor??? 96-98 and 99+ were different, one was bigger than the other. I ran into that when I was swapping a 99 2.4 into the bay where a 95 2.3 used to call home.

Only one of them carries signal I believe, and the other is just a ground. My intentions were to ground one wire and splice the other one together and hope it worked....

I never made it that far though, pulled the motor back out and parted out before I got there..



Re: wireing trouble..now what
Thursday, June 12, 2008 6:39 AM
yah thats what i thought, give it a try i gues, thanks for the reply
Re: wireing trouble..now what
Thursday, June 12, 2008 7:17 AM
Put an ohm meter on them and make sure the impedance is the same. GM likes to use different ranges for different knock sensors, too, not just change the size. If they are the same impedance, you should be able to use the one that's in the block and just splice the connector into the harness as rugid-one suggests.





Re: wireing trouble..now what
Friday, June 13, 2008 9:43 AM
got hte motor in the car and flicked the key and it started rite up and ishut it off because i never had the exaust hooked up so i hooked it up and she fired up perfect but was idling high so i shut it off after about 20 secs. so i went in and went to bed came out today and hooked up the plug on the intake and fired up the car and it ran like @!#$. now it wont run at all, makes a sputer to start an jus cranks. anyone have any ideas i need to have this done by the weekend if posible. would it have anything to do wit the knock sensor? i hooked up one of the wires and it ran fine last nite. the car is geting gas and fire i checked. also the motor had an egr on it i took it off and changed my intakew but what would i do about were it bolted to the motor? my motor has the same holes in it but nothing came off mine so i left it aloine? sry for the long rant but if anyone go an idea would realy appreacate it
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