schardein Posted December 4, 2020 Share Posted December 4, 2020 16 hours ago, Minuit said: My truck had a 4.0L, automatic trans and A/C as its only options. Not even oil pressure or temp gauges. Same. Not even a factory stereo, haha. Link to comment Share on other sites More sharing options...
coolwind57 Posted December 7, 2020 Share Posted December 7, 2020 On 12/3/2020 at 10:44 AM, eaglescout526 said: Doesn’t have a full cluster even though it’s an auto is weird to me. On 12/3/2020 at 12:00 PM, eaglescout526 said: Well I could be wrong but it seems odd to me for an auto trans to not have a full tach cluster. Usually autos are associated with having a tach unless special ordered but you could have a 3/4 with an auto. I assumed this was rather common since my Renix 89 4.0 Auto with A/C has no tach/full cluster: Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 7, 2020 Share Posted December 7, 2020 18 minutes ago, coolwind57 said: I assumed this was rather common since my Renix 89 4.0 Auto with A/C has no tach/full cluster: Alright I think it’s safe to say tachs were still a luxury in the 80’s. I forgot about column shift guys. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 On 12/7/2020 at 7:49 AM, eaglescout526 said: Alright I think it’s safe to say tachs were still a luxury in the 80’s. I forgot about column shift guys. when my engine blows up in another 100,000 I'm gonna swap my cluster for something with a tach and oil gauge and what not when I swap the engine Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 8, 2020 Share Posted December 8, 2020 Just now, Jesse J said: when my engine blows up in another 100,000 I'm gonna swap my cluster for something with a tach and oil gauge and what not when I swap the engine Why not swap it now? It’s all plug and play literally. The blue full clusters are hard to find in the 87-90 config but easier for 84-86. The red ones for 87-90 are easier to be hard and are abundant. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 Just now, eaglescout526 said: Why not swap it now? It’s all plug and play literally. The blue full clusters are hard to find in the 87-90 config but easier for 84-86. The red ones for 87-90 are easier to be hard and are abundant. are they manual or from the ECU? Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 8, 2020 Share Posted December 8, 2020 Just now, Jesse J said: are they manual or from the ECU? They are all manual and dependent on the sensors in the engine bay. There’s a write up somewhere on it. Only the later 91-96 clusters depend on the ECU. I could be wrong on this but I am not an HO expert. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 3 minutes ago, eaglescout526 said: They are all manual and dependent on the sensors in the engine bay. There’s a write up somewhere on it. Only the later 91-96 clusters depend on the ECU. I could be wrong on this but I am not an HO expert. ok I'll look into it. it would be really nice to have its so weird only having such a large gas gauge. edit: also I was planning on swapping for maybe a tj 4.0 i6 with an ax15 so just getting rid of renix and getting an obd thingy Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 8, 2020 Share Posted December 8, 2020 Just now, Jesse J said: ok I'll look into it. it would be really nice to have its so weird only having such a large gas gauge. It’s only weird because we’re young and used to seeing a million gauges and lights in a modern car. It was weird to me the first few weeks with my truck till I got used to it. Kinda fun watching the needle bounce as you took turns and bumps. But then I found a 5/6 cluster that still had the large gas gauge and then the full blue cluster. There’s something about that gas gauge that like to hang up at 3/4 and then start reading. Not sure what. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 1 minute ago, eaglescout526 said: It’s only weird because we’re young and used to seeing a million gauges and lights in a modern car. It was weird to me the first few weeks with my truck till I got used to it. Kinda fun watching the needle bounce as you took turns and bumps. But then I found a 5/6 cluster that still had the large gas gauge and then the full blue cluster. There’s something about that gas gauge that like to hang up at 3/4 and then start reading. Not sure what. that makes sense. I kinda like it because its kinda "retro" I wonder if there is a way to keep the big gas gauge but put a tach in one of the smaller gauge areas Link to comment Share on other sites More sharing options...
Pete M Posted December 8, 2020 Share Posted December 8, 2020 I sacrificed my amp gauge to do that very thing 20 years ago before I knew better. now I have a full cluster. soooo much easier. you can even alter the odo to match the truck. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 how hard is the full swap of the entire cluster? messing with the odo scares me Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 8, 2020 Share Posted December 8, 2020 Messing with the odo isn’t hard at all. There’s a diy on it too and it involves removing a C-clip. You’ll just need to get the oil and temp sensors and not senders. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 huh ok. what are senders? also is this the write up yall are talking about? Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 8, 2020 Share Posted December 8, 2020 1 minute ago, Jesse J said: huh ok. what are senders? also is this the write up yall are talking about? Yes. That’s it, it’ll tell you what you need to know. If your gauge cluster has lights, it has senders for both oil and temp. The senders are based on Ohm resistance and they start to illuminate the lamps when they reach a certain Ohm. Same goes for the sensors but they send a constant signal to the gauge to read right. It’s fun simple stuff. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 Just now, eaglescout526 said: Yes. That’s it, it’ll tell you what you need to know. If your gauge cluster has lights, it has senders for both oil and temp. The senders are based on Ohm resistance and they start to illuminate the lamps when they reach a certain Ohm. Same goes for the sensors but they send a constant signal to the gauge to read right. It’s fun simple stuff. sweet well thats goood news I have lights ( they are on thats how I know lol) so pretty simple kewl beenz Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 8, 2020 Share Posted December 8, 2020 Just now, Jesse J said: sweet well thats goood news I have lights ( they are on thats how I know lol) so pretty simple kewl beenz They are on? Like all the time while driving? They only illuminate with key on, at start up and if there’s an issue. Link to comment Share on other sites More sharing options...
derf Posted December 8, 2020 Share Posted December 8, 2020 The "idiot light" senders are really an Off/On type sender. When they reach a set temperature or pressure, the contact is made and the light comes on. They're really "all or nothing" senders. That's why they don't work with the gauges. The gauge senders vary resistance so that the gauge needle moves. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 15 minutes ago, eaglescout526 said: They are on? Like all the time while driving? They only illuminate with key on, at start up and if there’s an issue. they are on with the key and at startup. Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 8, 2020 Share Posted December 8, 2020 2 minutes ago, Jesse J said: they are on with the key and at startup. That’s normal. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 Just now, eaglescout526 said: That’s normal. ok well that's good to know. Does that mean I do or don't have senders? Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 8, 2020 Share Posted December 8, 2020 You have senders. Sender are paired with the lights and sensors are paired with the gauges. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 1 minute ago, eaglescout526 said: You have senders. Sender are paired with the lights and sensors are paired with the gauges. Oh ok sweet. Link to comment Share on other sites More sharing options...
eaglescout526 Posted December 8, 2020 Share Posted December 8, 2020 Looking back on the catalog, I distinctly remember Chrysler labeling the senders as switches now that I take the time to think as I pull parts. Link to comment Share on other sites More sharing options...
Jesse J Posted December 8, 2020 Share Posted December 8, 2020 Huh weird Link to comment Share on other sites More sharing options...
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