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Author Topic: What is this connector for???  (Read 7473 times)
Ron C.
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« on: May 05, 2007, 07:29:00 PM »

looking at the firewall to the left of the steering colum is an electrical plug with 2 connectors at differnt angles,the wires insde the car are heavy green wires.anyone know what this is for? here is a pic of it look next to the steering colum to the left.
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67Z/28,67RSZ/28,69RSZ28,71SS454CHEVELLE,02Z4C35thSSCAMAROGMMG#11PERF EDITION 500HP
68Zproject
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« Reply #1 on: May 05, 2007, 08:16:39 PM »

Backup lights
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68Z28
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« Reply #2 on: May 05, 2007, 09:13:36 PM »

Backup lights

Correct.  Also, your oil pressure gauge line should have it's own hole and rubber grommet.

Paul  
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Jerry@CHP
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« Reply #3 on: May 06, 2007, 08:10:20 AM »

Ron,

Replace those ground straps and screws too!

JM
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JohnZ
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« Reply #4 on: May 06, 2007, 08:39:22 AM »

Jerry, what '69 powertrain combination had that backup lights plug/grommet in the firewall? I know 4-speeds had the backup light switch inside the car, on top of the steering column, with no external wiring.
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Ron C.
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« Reply #5 on: May 06, 2007, 01:26:18 PM »

im guessing there is a wire that connects to this plug and goes to a switch on the trans somewhere? Anyone know where i can get this wire and switch? anyone have a pic of the routing of the wire?
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Ron C.
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« Reply #6 on: May 06, 2007, 01:36:04 PM »

Ron,

Replace those ground straps and screws too!
Jerry im slow in getting the new pics on here,yes new straps are on and engine is in the car.


JM
« Last Edit: May 06, 2007, 01:39:06 PM by Ron 69RSZ » Logged

67Z/28,67RSZ/28,69RSZ28,71SS454CHEVELLE,02Z4C35thSSCAMAROGMMG#11PERF EDITION 500HP
x77-69z28
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« Reply #7 on: May 06, 2007, 01:55:34 PM »

johnz, that is a 67 firewall.
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69 x77 burnished brown, 711 int 05A bought in 78
67 rs/ss 350 butternut yellow 4 speed 2nd owner
70 Z28 forrest green, green int, M40, bk vinyl roof PROJECT
99 SS hugger orange 6spd NO TTOPS bought new 1 of 54
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« Reply #8 on: May 06, 2007, 01:59:14 PM »

ron. the hole next to the wiper motor is the hole for the oil pressure line. my 67 rs/ss doesnt have a rubber grommet. the fitting is held in with a nut on the engine side.
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69 x77 burnished brown, 711 int 05A bought in 78
67 rs/ss 350 butternut yellow 4 speed 2nd owner
70 Z28 forrest green, green int, M40, bk vinyl roof PROJECT
99 SS hugger orange 6spd NO TTOPS bought new 1 of 54
11 cts-v blk diamond  edition wagon 556hp sick!
68Zproject
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« Reply #9 on: May 06, 2007, 05:45:05 PM »

im guessing there is a wire that connects to this plug and goes to a switch on the trans somewhere? Anyone know where i can get this wire and switch? anyone have a pic of the routing of the wire?

I don't know about the 67 AIM, but in the 68 one its page 323 and section M20 anyway.  I got a repro one at Rick's.  I don't know if that's the right one for yours though.
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68Z28
Jerry@CHP
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« Reply #10 on: May 06, 2007, 06:34:12 PM »

John,

The back-up plug in the firewall is a 67 and 68 thing.  The plug in the firewall mates with a wiring harness that plugs into it, and the other end goes to a bracket and switch mounted on the transmission side cover.  The switch is part of the harness.

Jerry
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1968RSZ28
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« Reply #11 on: May 06, 2007, 10:41:17 PM »

Ron,

Replace those ground straps and screws too!

JM

Jerry -

Why?  What's your thinking behind this?  Where do you buy replacement ground straps and screws?

Paul
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Ron C.
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« Reply #12 on: May 07, 2007, 06:37:59 AM »

jerry can i get that harness and swithch from somewhere?Do they reproduce it?
John,

The back-up plug in the firewall is a 67 and 68 thing.  The plug in the firewall mates with a wiring harness that plugs into it, and the other end goes to a bracket and switch mounted on the transmission side cover.  The switch is part of the harness.

Jerry
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67Z/28,67RSZ/28,69RSZ28,71SS454CHEVELLE,02Z4C35thSSCAMAROGMMG#11PERF EDITION 500HP
Ron C.
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« Reply #13 on: May 07, 2007, 06:40:17 AM »

I got the new ground strap kit from Ricks first gen
Ron,

Replace those ground straps and screws too!

JM

Jerry -

Why?  What's your thinking behind this?  Where do you buy replacement ground straps and screws?

Paul
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Jerry@CHP
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« Reply #14 on: May 07, 2007, 06:43:02 AM »

All of these components are available through Rick's First Gen.

JM
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Ron C.
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« Reply #15 on: May 07, 2007, 07:02:41 AM »

ron. the hole next to the wiper motor is the hole for the oil pressure line. my 67 rs/ss doesnt have a rubber grommet. the fitting is held in with a nut on the engine side.
Is the fitting I have the original one? I thought it was the original one because it was installed as you described with a nut holding in place when I bought the car in 1984.
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« Reply #16 on: May 07, 2007, 12:18:32 PM »

All of these components are available through Rick's First Gen.

JM

Thanks Jerry.  Now I know where to buy them, but I still don't know the logic behind replacing the original ones.   Huh

Paul
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Ron C.
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« Reply #17 on: May 07, 2007, 01:24:28 PM »

new ones look better! Grin And when your doing a 30k resto if the original parts are not able to be brought back to new looking condition why put them back on? they would look like crap next to the new bolts and other new parts.
« Last Edit: May 07, 2007, 01:28:31 PM by Ron 69RSZ » Logged

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« Reply #18 on: May 07, 2007, 03:56:35 PM »

O.K., you replace them for aesthetics.  I just wanted to make sure there wasn't a problem (function-wise) with the original ground straps and screws.  Thank you!

Paul
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Ron C.
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« Reply #19 on: May 13, 2007, 06:09:50 PM »

Does anyone know the way the backup light harness routes down to the trans? I cant find the diagram in the assembly manual, there is also one harness clip that looks like it might bolt to the bellhouseing to hold the harness. Huh
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Jerry@CHP
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« Reply #20 on: May 13, 2007, 07:04:31 PM »

Ron,

There is a clip that does bolt to the trans mount bolt.  It should be in the assembly manual, maybe under M20?  It's there I just can't remember where for sure, and I don't have an assembly manual handy.

Jerry
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68Zproject
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« Reply #21 on: May 13, 2007, 09:28:24 PM »

I don't have a 67 AIM but as I said above it is under M20 page 323 and sheet A7 in the 68 one.  One clip on the bellhousing and one on the lower driver's side tranny to bellhousing bolt,  (68) anyway.
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68Z28
Ron C.
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« Reply #22 on: May 14, 2007, 06:36:32 AM »

Thanks Jerry and Paul,i will look under m20
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« Reply #23 on: May 14, 2007, 12:57:02 PM »

Ron -

I just checked my '68Z and the second clip is attached to one of the transmission side cover bolts.  It's the side cover bolt right next to (and in front of) the third and fourth speed shifter lever at the transmission.

Paul
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Ron C.
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« Reply #24 on: May 18, 2007, 04:25:00 PM »

ok im looking to see what these wire harness clips look like because ricks sent me a clip that i will not put on the car!!! As a matter of fact the harness wont even fit into it so im trying to find something similar to the original clips if i can see what they looked like.anyone have a pic please post! thanks everyone! Grin
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Farm Boy
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« Reply #25 on: May 19, 2007, 01:51:46 AM »

I donít have a close-up but here is a wide shot of the 67 backup wire clips. The clips are original. They have a black plastic coating where the wire loom passes through.

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Steve
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« Reply #26 on: May 19, 2007, 09:27:07 AM »

there you go ron. thats a better pic than what i sent you. mine was taken while it was still in the car so i would remember how it went. the second clip goes in one of the bellhousing bolt holes.
buddy
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69 x77 burnished brown, 711 int 05A bought in 78
67 rs/ss 350 butternut yellow 4 speed 2nd owner
70 Z28 forrest green, green int, M40, bk vinyl roof PROJECT
99 SS hugger orange 6spd NO TTOPS bought new 1 of 54
11 cts-v blk diamond  edition wagon 556hp sick!
Ron C.
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« Reply #27 on: May 19, 2007, 11:52:25 AM »

Thanks guys! I wasnt sure if it was just a flat clip with a u shape bend at the end that was rubber coated or a loop type like the ones in the pic. Those are going to be hard to find, hey Jerry do you have any suggestions? im going to try all the stores in my area maybe even GM parts to see if they have something similar. Roll Eyes
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