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Jeep Wrangler YJ
YJ General Discussion
Dash doesn't work after engine swap
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<blockquote data-quote="Kaelinator" data-source="post: 437017" data-attributes="member: 19724"><p>Hi y'all. I recently swapped in a 5.7L Hemi into my '95 YJ and I'm looking to get some of the basic functionality working on my dash.</p><p></p><p>Essentially if someone could point me in the right direction in terms of debugging this, that would be super helpful. I believe I'm missing a ground of some sort. Behind the Hemi is an AX15 from a '99 wrangler, where used to be an AX5, and I kept the same transfer case, but just adapted it to work with the AX15. All of the connections are--to my knowledge--connected.</p><p></p><p>Here's all the things that work and don't work:</p><p></p><p>Ignition cylinder:</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="✅" title="Check mark button :white_check_mark:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/2705.png" data-shortname=":white_check_mark:" /> Off</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="✅" title="Check mark button :white_check_mark:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/2705.png" data-shortname=":white_check_mark:" /> Accessories</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> Start--I've wired a button to my starter to get it working for the time being</p><p></p><p>Dashboard:</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> Tachometer</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> Speedometer</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> Odometer--This is really the one I need working the most</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> 4wd light</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> Fuel level--When key turned to accessories, this is stuck to "full"</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> Coolant temp</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> Oil pressure</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="✅" title="Check mark button :white_check_mark:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/2705.png" data-shortname=":white_check_mark:" /> Voltage</p><p></p><p>Climate:</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="✅" title="Check mark button :white_check_mark:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/2705.png" data-shortname=":white_check_mark:" /> Heater</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="✅" title="Check mark button :white_check_mark:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/2705.png" data-shortname=":white_check_mark:" /> Defroster</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="✅" title="Check mark button :white_check_mark:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/2705.png" data-shortname=":white_check_mark:" /> Fan</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> A/C--I haven't wired this up</p><p></p><p>Misc:</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="✅" title="Check mark button :white_check_mark:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/2705.png" data-shortname=":white_check_mark:" /> Reverse lights</p><p>- <img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark :x:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/274c.png" data-shortname=":x:" /> 4wd--Doesn't engage front wheels in 4H and 4L</p><p></p><p>Thanks y'all and happy new year</p></blockquote><p></p>
[QUOTE="Kaelinator, post: 437017, member: 19724"] Hi y'all. I recently swapped in a 5.7L Hemi into my '95 YJ and I'm looking to get some of the basic functionality working on my dash. Essentially if someone could point me in the right direction in terms of debugging this, that would be super helpful. I believe I'm missing a ground of some sort. Behind the Hemi is an AX15 from a '99 wrangler, where used to be an AX5, and I kept the same transfer case, but just adapted it to work with the AX15. All of the connections are--to my knowledge--connected. Here's all the things that work and don't work: Ignition cylinder: - ✅ Off - ✅ Accessories - ❌ Start--I've wired a button to my starter to get it working for the time being Dashboard: - ❌ Tachometer - ❌ Speedometer - ❌ Odometer--This is really the one I need working the most - ❌ 4wd light - ❌ Fuel level--When key turned to accessories, this is stuck to "full" - ❌ Coolant temp - ❌ Oil pressure - ✅ Voltage Climate: - ✅ Heater - ✅ Defroster - ✅ Fan - ❌ A/C--I haven't wired this up Misc: - ✅ Reverse lights - ❌ 4wd--Doesn't engage front wheels in 4H and 4L Thanks y'all and happy new year [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Dash doesn't work after engine swap
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