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E-Body Challenger "Reverse Light" Grommet Hole? #1404472
03/18/13 05:24 PM
03/18/13 05:24 PM
Joined: Feb 2013
Posts: 401
California, USA
filmsurgeon Offline OP
mopar
filmsurgeon  Offline OP
mopar

Joined: Feb 2013
Posts: 401
California, USA
E-Body/Challenger/'Cuda: Can anyone tell me what the size of the hole should be for the "Reverse Light" grommet (firewall location between the booster/master cylinder/brake assembly, and the upper-right bulkhead connector hole)? Thanks.

Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: filmsurgeon] #1404473
03/18/13 08:06 PM
03/18/13 08:06 PM
Joined: Nov 2008
Posts: 117
buffalo, new york
0
00snake530 Offline
member
00snake530  Offline
member
0

Joined: Nov 2008
Posts: 117
buffalo, new york
i can measure in the morning if no response by then


70 Challenger r/t 4 speed
00 Viper gts
67 satellite pro street
03 Ferrari 360 spider
50 chevy fleetline deluxe
15 Escalade (daily)
Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: 00snake530] #1404474
03/19/13 04:07 AM
03/19/13 04:07 AM
Joined: Feb 2013
Posts: 401
California, USA
filmsurgeon Offline OP
mopar
filmsurgeon  Offline OP
mopar

Joined: Feb 2013
Posts: 401
California, USA
I bought the harness from Evans Wiring. It has the grommet attached. I figured I could measure with a digital caliper. I thought maybe asking here would confirm the grommet size. The diameter measurement I got is 0.750" (the part of the grommet that would mate with the hole). So, I guess I'll drill a 3/4" hole. Thanks for the feedback.

Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: filmsurgeon] #1404475
03/19/13 12:03 PM
03/19/13 12:03 PM
Joined: Jan 2003
Posts: 4,784
Ontario, Canada
mccannix Offline
master
mccannix  Offline
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Joined: Jan 2003
Posts: 4,784
Ontario, Canada
You are correct on the 3/4 in hole for 1970, assembly shown on left.
1971 shown on right used the larger 1 inch hole.

7632063-4484143-rev8.JPG (500 downloads)
Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: mccannix] #1404476
03/19/13 02:27 PM
03/19/13 02:27 PM
Joined: Feb 2013
Posts: 401
California, USA
filmsurgeon Offline OP
mopar
filmsurgeon  Offline OP
mopar

Joined: Feb 2013
Posts: 401
California, USA
Quote:

You are correct on the 3/4 in hole for 1970, assembly shown on left.
1971 shown on right used the larger 1 inch hole.




Thanks for the confirmation.

Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: filmsurgeon] #1404477
04/20/13 09:37 PM
04/20/13 09:37 PM
Joined: Jan 2003
Posts: 4,105
Horsham, Pa.
Finoke Offline
master
Finoke  Offline
master

Joined: Jan 2003
Posts: 4,105
Horsham, Pa.
Im adding a reverse light on my 70 cuda now that i converted to a 4 spd.

I cant seem to find where the light wire goes. At least not on my wiring diagrams.

So reading your post it goes through the firewalll to the engine compartment ? Were does it go from there?

Sorry for the post hijack

Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: Finoke] #1404478
04/21/13 04:15 PM
04/21/13 04:15 PM
Joined: Mar 2008
Posts: 1,913
central P.A.
HEMIDOG 70 Offline
top fuel
HEMIDOG 70  Offline
top fuel

Joined: Mar 2008
Posts: 1,913
central P.A.
Here's another pic of an e body firewall. I got it from moparts and saved it.

7676669-Wireringdiagram.jpg (2527 downloads)
Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: Finoke] #1404479
04/21/13 04:27 PM
04/21/13 04:27 PM
Joined: Mar 2008
Posts: 1,913
central P.A.
HEMIDOG 70 Offline
top fuel
HEMIDOG 70  Offline
top fuel

Joined: Mar 2008
Posts: 1,913
central P.A.
Quote:

Im adding a reverse light on my 70 cuda now that i converted to a 4 spd.

I cant seem to find where the light wire goes. At least not on my wiring diagrams.

So reading your post it goes through the firewalll to the engine compartment ? Were does it go from there?


The harness from the trans switch plugs into the bulkhead connector right below where your wiper motor plugs in. A pigtail wire comes out of that connector and plugs into the one from your dash light. That comes through the firewall with the heavy black grommet as pictured in the other replies.



Sorry for the post hijack



Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: HEMIDOG 70] #1404480
04/21/13 05:19 PM
04/21/13 05:19 PM
Joined: Jan 2003
Posts: 4,105
Horsham, Pa.
Finoke Offline
master
Finoke  Offline
master

Joined: Jan 2003
Posts: 4,105
Horsham, Pa.
Quote:

Quote:

Im adding a reverse light on my 70 cuda now that i converted to a 4 spd.

I cant seem to find where the light wire goes. At least not on my wiring diagrams.

So reading your post it goes through the firewalll to the engine compartment ? Were does it go from there?


The harness from the trans switch plugs into the bulkhead connector right below where your wiper motor plugs in. A pigtail wire comes out of that connector and plugs into the one from your dash light. That comes through the firewall with the heavy black grommet as pictured in the other replies.



Sorry for the post hijack







thanks Hemidog! Excellent!

Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: Finoke] #1404481
04/21/13 08:28 PM
04/21/13 08:28 PM
Joined: Jul 2005
Posts: 1,247
Fremont, CA.
Topcat Offline
pro stock
Topcat  Offline
pro stock

Joined: Jul 2005
Posts: 1,247
Fremont, CA.
71's the grommet is located below the gas pedal from what I heard.

Re: E-Body Challenger "Reverse Light" Grommet Hole? [Re: filmsurgeon] #1404482
04/23/13 09:15 AM
04/23/13 09:15 AM
Joined: Sep 2006
Posts: 2,587
missouri, USA
moparmojo Offline
master
moparmojo  Offline
master

Joined: Sep 2006
Posts: 2,587
missouri, USA
Thanks for the detail pics.







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