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Previous Thread Next Thread Print Thread Rate Thread Help! Speedometer and tach not working! #1064653 10/06/13 02:23 AM Joined: Jun 2003 Posts: 36 Central Washington 94Monty OP Getting the Wheeling Fever My Speedometer stopped working today. Any clues where I should look. My tachometer stopped working about a month ago. At first I thought it was no big deal. But now I want them both back. Checked all my fuses, they were fine. Where else should I look? 94SR 3.5L(AT)factory rear locker 31/10.5R15 BFG M/T 94LS 3.0L(M)30/9.5R15 Falken Wild Peaks 2003 Limited(AT) BFG A/T Re: Help! Speedometer and tach not working! [Re: 94Monty] #1064654 10/06/13 05:05 AM Joined: Jan 2001 Posts: 13,649 Helen , GA fasteddy Web Wheeler Which truck? Not responsible for advice not taken... Re: Help! Speedometer and tach not working! [Re: fasteddy] #1064655 10/06/13 07:03 PM Joined: Jun 2003 Posts: 36 Central Washington 94Monty OP Getting the Wheeling Fever Sorry, I guess I should have mentioned that. It's on the 94SR Monty. I did a search to see what others have said about this topic, and will be pulling the instrument cluster and looking for burnt connections. 94SR 3.5L(AT)factory rear locker 31/10.5R15 BFG M/T 94LS 3.0L(M)30/9.5R15 Falken Wild Peaks 2003 Limited(AT) BFG A/T Re: Help! Speedometer and tach not working! [Re: 94Monty] #1064656 10/07/13 12:40 AM Joined: Jan 2001 Posts: 13,649 Helen , GA fasteddy Web Wheeler Looking at the circuit diagram, nothing in common but fuse 11, and that would kill some other stuff, I think. I'd cycle the cluster connectors and check the board. Not responsible for advice not taken... Re: Help! Speedometer and tach not working! [Re: fasteddy] #1064657 10/08/13 05:20 AM Joined: Jun 2003 Posts: 36 Central Washington 94Monty OP Getting the Wheeling Fever Turns out it was the circuitry on the back of the Speedometer, just like PanamaMike00 and Ataki! Now my Speedometer and Tachometer work. The tach is still intermittent. but at least the speedometer and odometer work. Here are some pictures of the repair. The broken ribbon wire at the end off yellow arrow. I used a pencil eraser to removed the coating on the wire ribbons. Then I used a knife point to expose extra ribbon to land solder on. Soldered the jumper wire in place. Applied Plasty Dip to recover the exposed wire ribbon. Last edited by 94Monty; 10/08/13 05:27 AM. 94SR 3.5L(AT)factory rear locker 31/10.5R15 BFG M/T 94LS 3.0L(M)30/9.5R15 Falken Wild Peaks 2003 Limited(AT) BFG A/T Re: Help! Speedometer and tach not working! [Re: fasteddy] #1064658 10/08/13 05:24 AM Joined: Jun 2003 Posts: 36 Central Washington 94Monty OP Getting the Wheeling Fever Hope this helps. Thanks for the reply "fasteddy" This form is awesome! 94SR 3.5L(AT)factory rear locker 31/10.5R15 BFG M/T 94LS 3.0L(M)30/9.5R15 Falken Wild Peaks 2003 Limited(AT) BFG A/T Re: Help! Speedometer and tach not working! [Re: 94Monty] #1064659 10/08/13 05:44 AM Joined: Feb 2005 Posts: 7,458 Montero Ranch rxinhed Trail Leader Thanks to the many contributors that solve the many problems? I think we have all needed this help from time to time, and we all appreciate hearing positive feedback! Re: Help! Speedometer and tach not working! [Re: rxinhed] #1064660 10/08/13 06:17 AM Joined: Jan 2001 Posts: 13,649 Helen , GA fasteddy Web Wheeler Good on ye for fixing it. Note, the pro method of repair is to drill two holes on each side of the break and solder in a wire jumper, but yours worked. Re the tach, download the fsm from mitsubishilinks.com and trace the wiring from the coil pack, paying attention to the LC filter in the circuit. Not responsible for advice not taken... 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