Volvo RWD 700 Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 12/2005 700 INDEX

[<<]  [>>]


 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

Bad Tach Or Bad Sensor ?? 700

posted by  boxvolvo on  Fri Feb 22 00:11 CST 2008
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Fri Oct 24 04:28 CST 2014
[RELATED]

The tach takes its signal directly from the ground side of the coil - if you have a Bosch ignition, it's usually a red/white wire on the #1 post. It picks up the break in the ground when the coil fires, and translates that to RPM. I can't imagine any way that faulty wiring would give you a high reading, so it's most likely the tach.





THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New Bad Tach Or Bad Sensor ?? [700]
posted by  Lummer57  on Thu Feb 21 11:00 CST 2008 >


<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.