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Electrical Wiring issue

  • Thread starter Thread starter Maxnie21
  • Start date Start date Mar 23, 2025
  • Tags Tags
    1985 302 msd
M

Maxnie21

Member
Mar 23, 2025
4
1
13
Maryland
Mar 23, 2025
#1
  • Mar 23, 2025
  • #1
Hey everyone new to the site just purchased a 1985 gt and have been trying to fix some things and one of them is the tachometer the car has a msd 6al , msd pro bullet distributor , and msd 8920 tach adapter, issue is whoever wired this vehicle should put his tools down hoping someone can help me identify some of these connectors to help figure out what they were doing here thanks again
 

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evintho

20+ Year Stangneter
Nov 12, 2003
683
245
73
Santa Rosa, CA.
Mar 24, 2025
#2
  • Mar 24, 2025
  • #2
Google 'MSD tach adapter 8920 wiring diagram'. There are online instructions.
 

elarm1

10 Year Member
Dec 17, 2010
1,428
652
154
N.Va
Mar 24, 2025
#3
  • Mar 24, 2025
  • #3
That man was a wiring genius!
 
M

Maxnie21

Member
Mar 23, 2025
4
1
13
Maryland
Mar 24, 2025
#4
  • Mar 24, 2025
  • #4
evintho said:
Google 'MSD tach adapter 8920 wiring diagram'. There are online instructions.
Click to expand...
I’ve looked at a couple and got a good idea was just hoping someone could help me with what that plug used to go to
 
M

Maxnie21

Member
Mar 23, 2025
4
1
13
Maryland
Mar 24, 2025
#5
  • Mar 24, 2025
  • #5
elarm1 said:
That man was a wiring genius!
Click to expand...
Yes no need for a fire extinguisher in this car!
 
Reactions: General karthief

evintho

20+ Year Stangneter
Nov 12, 2003
683
245
73
Santa Rosa, CA.
Mar 24, 2025
#6
  • Mar 24, 2025
  • #6
Just went back, looked and blew up those pics. What a hot mess! That's truly an electrical fire waiting to happen! I would rip out all that wiring and start over. Spend a little and get one of these. It'll make your life sooooo much easier!

Pardon Our Interruption...
 
Reactions: Maxnie21 and General karthief
M

Maxnie21

Member
Mar 23, 2025
4
1
13
Maryland
Mar 27, 2025
#7
  • Mar 27, 2025
  • #7
evintho said:
Just went back, looked and blew up those pics. What a hot mess! That's truly an electrical fire waiting to happen! I would rip out all that wiring and start over. Spend a little and get one of these. It'll make your life sooooo much easier!

Pardon Our Interruption...
Click to expand...
Just ordered and got one on the way thanks again trying to find a engine harness now for a 85 to save me some time from trying to salvage this one
 
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