First, try at least render you model in entity renderrer
private EntityModel<JeepEntity> model;
public JeepRenderer(EntityRendererProvider.Context context) {
super(context);
model = new JeepModel(context.bakeLayer(JeepModel.LAYER_LOCATION));
}
@Override
public void render(JeepEntity entity, float entityYaw, float partialTicks, PoseStack poseStack, MultiBufferSource bufferSource, int packedLight)
{
poseStack.pushPose();
VertexConsumer vertexConsumer = bufferSource.getBuffer(this.model.renderType(TEXTURE));
model.renderToBuffer(poseStack, vertexConsumer, packedLight, OverlayTexture.NO_OVERLAY, 1.0f, 1.0f, 1.0f, 1.0f);
poseStack.popPose();
super.render(entity, entityYaw, partialTicks, poseStack, bufferSource, packedLight);
}