PeachParts Mercedes-Benz Forum

		PeachParts Mercedes-Benz Forum > Search Forums
Search Results

Showing results 1 to 7 of 7
Search took 0.01 seconds. Search: Posts Made By: dshaver001

Forum: Diesel Discussion

10-04-2025, 04:35 PM

Replies: 19

1984 300SD tachometer troubleshooting

Views: 549

Posted By dshaver001

Well, the plot thickens. I retested the tach...

Well, the plot thickens.

I retested the tach connector at the back of the gauge. I am showing 14 volts of DC power, but when tested AC, I get a momentary jump to 3 or 4 volts and then it drops off...

Forum: Diesel Discussion

10-03-2025, 01:43 AM

Replies: 19

1984 300SD tachometer troubleshooting

Views: 549

Posted By dshaver001

You guys are amazing. I’ll be ordering some bits...

You guys are amazing. I’ll be ordering some bits for the tach tonight, even if it doesn’t solve the problem I want to take the time to make it right with good parts. I’m waiting to hear back from a...

Forum: Diesel Discussion

10-02-2025, 11:08 PM

Replies: 19

1984 300SD tachometer troubleshooting

Views: 549

Posted By dshaver001

Ok, I’ll see what I can do to get my hands on an...

Ok, I’ll see what I can do to get my hands on an oscilloscope and make sure I’m getting the correct signal to the gauge. In the meantime, I’m going to order two new 100μF caps and another 22μF cap...

Forum: Diesel Discussion

10-02-2025, 07:09 PM

Replies: 19

1984 300SD tachometer troubleshooting

Views: 549

Posted By dshaver001

Okay, thanks! And yes, the back of my tach is...

Okay, thanks! And yes, the back of my tach is stamped 14,000 so presumably that is the tach that receives its signal from the bell housing connector. I’ll have to pull the cluster again to get the...

Forum: Diesel Discussion

10-02-2025, 04:24 PM

Replies: 19

1984 300SD tachometer troubleshooting

Views: 549

Posted By dshaver001

Frank, I’d definitely be interested in a...

Frank,

I’d definitely be interested in a replacement if I can’t sort through the one I have, though I am leaning towards fixing what I have if possible. Is an 82 build date compatible with my car?...

Forum: Diesel Discussion

10-02-2025, 01:16 PM

Replies: 19

1984 300SD tachometer troubleshooting

Views: 549

Posted By dshaver001

Thank you! I sure have, no improvement after...

Thank you! I sure have, no improvement after jumping the EGR computer. I have also checked the OVP fuse, the diagnostic port on the driver’s side fender, the two pin connector on the passenger side...

Forum: Diesel Discussion

10-02-2025, 12:02 AM

Replies: 19

1984 300SD tachometer troubleshooting

Views: 549

Posted By dshaver001

1984 300SD tachometer troubleshooting

Hello folks!

This is my first post here, and I want to say thank you to the members of this forum as it has been an excellent resource for me up to this point!

I recently purchased a 1984 300SD...

Showing results 1 to 7 of 7

Forum Jump

All times are GMT -4. The time now is 07:29 PM.