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king_of_the_street
PostPosted: Tue Mar 06, 2012 2:38 am 
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Location: Lake in the hills, IL
Can some post pics of there wire harness please? I have the 4g63 swap in my 91 colt, the wire harness is in, but I can't find the tps or cam angle sensor plug.. Can someone post pics so I can see where the wires are suppose to come from? I have some hacked wires from
Previous owner.. Please help with this wiring mess


Thanks in advance!

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Last edited by king_of_the_street on Tue Mar 06, 2012 8:05 pm, edited 1 time in total.

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king_of_the_street
PostPosted: Tue Mar 06, 2012 8:05 pm 
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This is a 90 harness for a 6 bolt 1G.. I cant seem to find the wires or plugs for the cas or tps sensor.. Does anyone have a picture of where those wires are coming from off the harness? So i can look even more for some cut wires.. I have some cut wires by coolant temp sensor.. I would thought the cas or tps would been off the wire harness close to last injector plug before thermostat. Help?

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89Mirageman
PostPosted: Tue Mar 06, 2012 8:36 pm 
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If your harness still has the plastic piece on it that bolts to the intake manifold those two connectors will be at the end of it.

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king_of_the_street
PostPosted: Tue Mar 06, 2012 9:00 pm 
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Location: Lake in the hills, IL
Ill check it out soon get over to garage, its a 90 harness but a 91 engine.. I have to wire in the tps for 91 tb to 90 harness plug?.. I was kinda researching it now .. Its come down to those last two plugs..

thanks, Ill check when get over there.. You talking about they should be off the wire harness right after coming out threw firewall and behind the intake manifold?

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Mechacode
PostPosted: Tue Mar 06, 2012 9:34 pm 
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Why not just use a 90 tb rather than splice things together?

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Had a:
1991 Eagle Summit ES Hatchback - 4g15 12v 5spd
1991 Dodge Colt -4g15 12v 4spd
Have a:
1978 Oldsmobile Cutlass - 468BBO TH350
Round 3:
1990 Dodge Colt-4G63T 5spd
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king_of_the_street
PostPosted: Tue Mar 06, 2012 10:02 pm 
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Location: Lake in the hills, IL
funds, this colt has been a money pit.... and dsm parts seem to be getting scarce up here,i went junkyard over weekend and nothing.... but reading more in it, i forgot 90 harness tps and cas plugs are different from 91-94? i was thinking for moment that they were cut off...

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cloead
PostPosted: Wed Mar 07, 2012 12:13 pm 
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90 vs 91 TPS plugs are defintily different

i currently have a 90 harness in my car w/ a 90 tb. need to swap in this 91 tb soon so i'll be doing some wiring myself.

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DarkHorse
PostPosted: Wed Mar 07, 2012 1:49 pm 
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Thats part of my swap coming up too 91N/T throttlebody on a stock harness. I need to check to see if the wire colors are the same or if I need to find a pinout.

I may swap the CAS because I have a few "black top" ones but, really, is there any benefit other than better/removeable connector?

~joe
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Mechacode
PostPosted: Wed Mar 07, 2012 6:09 pm 
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King, if you just use the 90 parts, you can do the coil pack and have it work the stock tach without wiring in a tach filter. If the wires are already cut, might as well wire in 91 stuff then.


Black top on a 1g 63t is a waste, there might be a tiny faction bit of a better signal but if your greentop is working fine, it won't change anything.

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Had a:
1991 Eagle Summit ES Hatchback - 4g15 12v 5spd
1991 Dodge Colt -4g15 12v 4spd
Have a:
1978 Oldsmobile Cutlass - 468BBO TH350
Round 3:
1990 Dodge Colt-4G63T 5spd
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king_of_the_street
PostPosted: Wed Mar 07, 2012 9:17 pm 
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yea its already converted to 91 by coil pack... I just couldnt find the cas & tps plug... but i forgot it was a 90 harness & its different plugs on the 90 harness compared to 91-94....so i was over looking those plugs cause they were different, but im going to get the correct plugs tomorrow...so hopefully be able to fire this up this weekend....

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king_of_the_street
PostPosted: Thu Mar 08, 2012 3:10 pm 
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Location: Lake in the hills, IL
does anyone know which wires go to what? i just got a 91-94 cas and tps plug with wires......i need to wire those plugs on the 90 harness as the 90 cas and tps plugs are different...

thanks

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king_of_the_street
PostPosted: Fri Mar 09, 2012 2:18 pm 
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Location: Lake in the hills, IL
Can anyone confirm... wiring a tps seems direct colors... but wiring a 91-94 CAS plug into a 90 harness.... Is this correct?

Looking at the plug on the 91-94 CAS plug straight on, the pinout is as follows:
.....................................................
1: cam position sensor
2. crank position sensor
3. +12v hot in run and start
4. Sensor ground
.....................................................
The 90 CAS wires:
Red= 12v
Black= Ground
White= Cam signal
Yellow= Crank signal
.....................................................

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