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Don't sweat that ground strap 200 1990

posted by lucid on Mon Sep 9 09:59 CST 2013
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last visit: Fri Oct 24 12:31 CST 2014

[RELATED]

That ground strap at the firewall has nothing to do with spark or fuel. It's meant to help reduce radio noise emanating from injector wiring.

There are no fuel related relays that affect ignition/spark. The white relay that many call the "pump" relay is the "Fuel Injection" relay, and is actually 2 relays packaged together:

• The System relay powers Pump relay coil, AMM, IAC valve, and Injectors.
• The Pump relay powers pump(s) and O2 Sensor heater

--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.

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1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
posted by wolfsden on Sat Sep 7 15:24 CST 2013 >

1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
posted by pageda on Sat Sep 7 15:37 CST 2013 > V
- 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
  posted by wolfsden on Sat Sep 7 16:08 CST 2013 > V
  - 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
    posted by pageda on Sat Sep 7 16:12 CST 2013 > V
    - 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
      posted by matt82dl on Sat Sep 7 16:28 CST 2013 > V
      - 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by wolfsden on Sat Sep 7 16:54 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by matt82dl on Sat Sep 7 18:24 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by matt82dl on Sat Sep 7 19:47 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by wolfsden on Sun Sep 8 09:05 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by machine man subscriber on Sun Sep 8 11:33 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by matt82dl on Sun Sep 8 13:19 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by wolfsden on Mon Sep 9 09:38 CST 2013 > V
        
        Don't sweat that ground strap [200][1990]
        posted by lucid subscriber on Mon Sep 9 09:59 CST 2013 > V
        
        Don't sweat that ground strap [200][1990]
        posted by machine man subscriber on Mon Sep 9 18:38 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by matt82dl on Mon Sep 9 12:25 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by wolfsden on Mon Sep 9 13:23 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by jwalker on Mon Sep 9 13:51 CST 2013 > V
        
        Multimeter vs 12V Test LIght [200][1990]
        posted by lucid subscriber on Wed Sep 11 06:33 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by matt82dl on Wed Sep 11 11:28 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by wolfsden on Sat Oct 19 10:42 CST 2013 > V
      - 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by BonesandFeathers subscriber on Mon Sep 16 13:21 CST 2013 > V
  - No Start. No Spark She *CRANKS* like you wouldn't believe [200][1990]
    posted by lucid subscriber on Mon Sep 9 10:20 CST 2013 > V

1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
posted by Trev29 on Sun Sep 8 05:09 CST 2013 > V
- 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
  posted by wolfsden on Sun Sep 8 09:03 CST 2013 > V
  - 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
    posted by derek uk subscriber on Mon Sep 9 09:16 CST 2013 > V
    - 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
      posted by wolfsden on Mon Sep 9 10:10 CST 2013 > V
      - 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by jwalker on Mon Sep 9 13:47 CST 2013 > V
        
        1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
        posted by wolfsden on Tue Sep 10 10:57 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by lucid subscriber on Tue Sep 10 15:46 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by machine man subscriber on Tue Sep 10 17:29 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by wolfsden on Tue Sep 10 20:16 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by wolfsden on Tue Sep 10 19:58 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by machine man subscriber on Tue Sep 10 22:40 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by wolfsden on Wed Sep 11 17:20 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by pageda on Wed Sep 11 17:29 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by wolfsden on Wed Sep 11 17:42 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by pageda on Wed Sep 11 17:59 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by wolfsden on Wed Sep 11 18:15 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by pageda on Wed Sep 11 18:28 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by wolfsden on Thu Sep 12 10:02 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by scorron subscriber on Thu Sep 12 10:33 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by wolfsden on Thu Sep 12 10:41 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by wolfsden on Wed Sep 18 15:32 CST 2013 > V
        
        ignition coil wiring [200][1990]
        posted by matt82dl on Wed Sep 18 16:01 CST 2013 > V
        
        ignition coil wiring [200][1990]
        posted by wolfsden on Wed Sep 18 16:20 CST 2013 > V
        
        ignition coil wiring [200][1990]
        posted by Salt N Pepper on Thu Sep 19 02:33 CST 2013 > V
        
        What is that extra connector sticking out on the right side of your picture? [200][1990]
        posted by Art Benstein subscriber on Thu Sep 19 11:00 CST 2013 > V
        
        What is that extra connector sticking out on the right side of your picture? [200][1990]
        posted by Salt N Pepper on Thu Sep 19 12:59 CST 2013 > V
        
        I think it's just a ''passerby'' (NMI) [200][1990]
        posted by lucid subscriber on Thu Sep 19 13:11 CST 2013 > V
        
        What is that extra connector sticking out on the right side of your picture? [200][1990]
        posted by wolfsden on Thu Sep 19 17:30 CST 2013 > V
        
        Let's go back to square 1 for a quick symptom review... [200][1990]
        posted by machine man subscriber on Thu Sep 19 10:03 CST 2013 > V

It’s not the 25 AMP fuse, it’s the socket! [200][1990]
posted by Goatman on Wed Sep 11 04:29 CST 2013 > V
- It’s not the 25 AMP fuse, it’s the socket! [200][1990]
  posted by pageda on Wed Sep 11 06:06 CST 2013 > V
  - It’s not the 25 AMP fuse, it’s the socket! [200][1990]
    posted by Art Benstein subscriber on Wed Sep 11 11:58 CST 2013 > V
    - It’s not the 25 AMP fuse, it’s the socket! [200][1990]
      posted by machine man subscriber on Wed Sep 11 14:52 CST 2013 > V
    - It’s not the 25 AMP fuse, it’s the socket! [200][1990]
      posted by wolfsden on Thu Sep 12 10:22 CST 2013 > V
      - It’s not the 25 AMP fuse, it’s the socket! [200][1990]
        posted by scorron subscriber on Thu Sep 12 10:35 CST 2013 > V
        
        It’s not the 25 AMP fuse, it’s the socket! [200][1990]
        posted by wolfsden on Thu Sep 12 10:45 CST 2013 > V
      - It’s not the 25 AMP fuse, it’s the socket! [200][1990]
        posted by machine man subscriber on Thu Sep 12 19:43 CST 2013 > V
    - It’s not the 25 AMP fuse, it’s the socket! [200][1990]
      posted by Salt N Pepper on Thu Sep 12 21:50 CST 2013 > V
    - It’s not the 25 AMP fuse, it’s the socket! [200][1990]
      posted by wolfsden on Mon Dec 2 13:32 CST 2013 > V

1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
posted by wolfsden on Thu Jan 30 14:40 CST 2014 > V
- 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
  posted by wolfsden on Fri May 15 10:35 CST 2015 > V
  - 1990 Volvo 240 DL Wagon. No Start. No Spark [200][1990]
    posted by kittysgreyvolvo subscriber on Sat May 16 18:51 CST 2015 > V

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Don't sweat that ground strap 200 1990