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Post by Nacho-RT74 on Dec 25, 2017 8:41:36 GMT -5
Is amazing how this can come a deep mistery and hard to find the info
does somebody know what is the correct firewall dimples use on our cars ? It seems 74 FSM is the only manual with this info available ?
There is a mistery on FBBO board about the tach wire on 72/73 ( 71 and 74 use the bulkhead ) and I think also dash reverse light ( 4 speeds ).
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DynoDave
CO-ADMINISTRATOR
Motown Mopar-Wizard
Posts: 11,168
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Post by DynoDave on Dec 25, 2017 22:34:02 GMT -5
Nacho, I took a lot of underhood photos of this '72 at Carlisle in 2012. I'm no expert...would this be the tach wire going in to the outboard side of the brake booster?  |
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Post by Nacho-RT74 on Dec 26, 2017 7:35:59 GMT -5
nah, that's an "owner solution" for whatever he wanted... that grommet is originally for heater water valve wire and Vacuum lines.
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Post by gy872se on Feb 10, 2018 13:08:49 GMT -5
I am still looking if anyone has info, also trying to figure out why vacuum comes into the dash in two places, 1 under the hvac box and 1 next to the brake booster.
getting close the installing dash.
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Post by gy872se on Feb 11, 2018 13:51:42 GMT -5
Here is a unused dimple just above to acc petal. might be a good spot for the tach grommet.  |
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Post by odzking on Feb 12, 2018 10:25:03 GMT -5
 Mine comes out about where that grommet is on the picture shown. I attached a pic of where it goes out in the car but I can't find a pic of mine outside. There is a special grommet with 2 holes in it t the left (Driver) of the Master Cyl. |
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Post by Nacho-RT74 on Feb 12, 2018 11:50:36 GMT -5
View Attachment There is a special grommet with 2 holes in it t the left (Driver) of the Master Cyl. thats the heater wire and manifold vacuum hose for HVAC actuators selector at switch |
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