03-11-2012, 04:27 PM | #1 |
Roadtrip!
Join Date: Feb 2003
Location: Grand Rapids MN
Posts: 13,787
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Tach dash questions.
I made a harness to hook up tach dashes to test. The test rig is a 71 with hei. I hooked up a 73 dash and the tach went to zero and stayed there. I also hooked up an 87 dash and it seemed like it was 2,ooo rpms high but it was working. I tried some mid-late 70s ones and all worked fine. Does that mean i have 2 bad tach heads? or is there something different about certain years using the same tach harness? Any insight? Thanks.
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67 gmc custom lwb dakota truck. Sold...And bought back 69 swb 4x4 project (in progress) 70 c-10 lwb texas truck 70 4x4/BB/bkts/posi/tach(retired) 70 swb (wifes) 70 jimmy camper 71 K-5 factory 2wd 71 cheyenne 4x4/tach/posi/ plow rig 71 Cheyenne20 BB, buckets, tach, tilt, 4 speed 72 jimmy CST wyoming rig 72 jimmy Colorado rig 72 lifted texas 4x4 3/4 ton burb 65 fury conv. 383/auto 65 chrysler 300 "L" 413 auto |
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